{"title":"Nissan - Valve springs","description":null,"products":[{"product_id":"ferrea-dual-valve-spring-kit-nissan-r35-gt-r-vr38dett","title":"Ferrea Dual Valve Spring Kit - Nissan R35 GT-R VR38DETT","description":"\u003cp\u003e\u003cstrong\u003eThe Ferrea KT4015 Dual Valve Spring Kit\u003c\/strong\u003e is a high-quality \u003cstrong\u003edual valve spring kit\u003c\/strong\u003e designed for the Nissan GT-R R35's \u003cstrong\u003eVR38DETT engine\u003c\/strong\u003e for demanding performance and racing use.\u003c\/p\u003e\n\u003cp\u003eThe kit improves valvetrain reliability at high rpm and high boost pressures, preventing valve float and ensuring precise valve timing even under extreme conditions.\u003c\/p\u003e\n\u003ch3\u003eThe package includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs double valve springs\u003c\/strong\u003e (S10136)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs titanium spring plates \/ retainers\u003c\/strong\u003e (E11106)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12 pcs suction side spring seat locations\u003c\/strong\u003e (SL1115)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12 pcs exhaust side spring seat locations\u003c\/strong\u003e (SL1118)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs valve locks (48 pieces)\u003c\/strong\u003e (K10102)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation note\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThe OEM Spring Seat Locators must be removed\u003c\/strong\u003e and replaced with the supplied Ferrea parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDual spring design\u003c\/strong\u003e – better control at high rpm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTitanium retainers\u003c\/strong\u003e – lighter mass and better durability\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSuitable for high boost pressures and racing use\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrevents valves from floating\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFerrea Racing quality\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2009 → Nissan GT-R R35\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e VR38DETT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":52015942762843,"sku":"FER-KT4015","price":1839.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/KT4015-ferrea-gtr-dual-valve-spring-kit_1024x1024_4b909080-5af7-4c14-8077-f1d0bcf80d85.png?v=1768037302"},{"product_id":"ferrea-single-valve-spring-kit-nissan-r35-gt-r-vr38dett","title":"Ferrea Single Valve Spring Kit - Nissan R35 GT-R VR38DETT","description":"\u003cp\u003e\u003cstrong\u003eThe Ferrea KT4016 Single Valve Spring Kit\u003c\/strong\u003e is a high-quality \u003cstrong\u003esingle-spring valve spring kit\u003c\/strong\u003e designed for the Nissan GT-R R35 \u003cstrong\u003eVR38DETT engine\u003c\/strong\u003e for street and performance use.\u003c\/p\u003e\n\u003cp\u003eThe series provides reliable valve train operation at moderate to medium engine speeds and improves durability compared to standard components.\u003c\/p\u003e\n\u003ch3\u003eThe package includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs valve springs\u003c\/strong\u003e (S10137)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12 pcs titanium exhaust side retainers\u003c\/strong\u003e (E11110)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12 pcs titanium intake side retainers\u003c\/strong\u003e (E11107)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e24 Ferrea spring seat locations\u003c\/strong\u003e (SL1116)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs valve locks (48 pieces)\u003c\/strong\u003e (K10102)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eS10137 Single Spring Kit Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSpring type:\u003c\/strong\u003e Single spring\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Special alloy\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 25.19 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 18.3 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSeat pressure:\u003c\/strong\u003e 90 lbs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOpen pressure:\u003c\/strong\u003e 155 lbs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSpring rate:\u003c\/strong\u003e 165 lbs\/in\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCoil Binding:\u003c\/strong\u003e 22.65 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum net valve lift:\u003c\/strong\u003e 11.00 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation note\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThe OEM factory spring seats must be removed\u003c\/strong\u003e and replaced with the supplied Ferrea parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMono-spring construction\u003c\/strong\u003e – lightweight and reliable for street and performance use\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTitanium retainers\u003c\/strong\u003e – less moving mass and better durability\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSpecial alloy springs\u003c\/strong\u003e – better heat and stress resistance\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eImproves valve train control\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFerrea Racing quality\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2009 → Nissan GT-R R35\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e VR38DETT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":52015955935579,"sku":"FER-KT4016","price":1630.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/KT4016-ferrea-gtr-single-valve-spring-kit_1024x1024_22f92203-23f5-421f-a7db-50bd90fb4ca5.png?v=1768037574"},{"product_id":"ferrea-single-valve-springs-nissan-r35-gt-r-vr38dett","title":"Ferrea Single Valve Springs - Nissan R35 GT-R VR38DETT","description":"\u003cp\u003e\u003cstrong\u003eFerrea S10137 single-spring valve springs\u003c\/strong\u003e are high-quality replacement springs made of a special alloy \u003cstrong\u003efor the VR38DETT engine\u003c\/strong\u003e of the Nissan GT-R R35.\u003c\/p\u003e\n\u003ch3\u003eS10137 single spring specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSpring type:\u003c\/strong\u003e Single spring\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Special alloy\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 25.19 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 18.3 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSeat pressure:\u003c\/strong\u003e 90 lbs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOpen pressure:\u003c\/strong\u003e 155 lbs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSpring rate:\u003c\/strong\u003e 165 lbs\/in\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCoil Binding:\u003c\/strong\u003e 22.65 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum net valve lift:\u003c\/strong\u003e 11.00 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTitanium exhaust retainers\u003c\/strong\u003e (E11110)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTitanium intake side retainers\u003c\/strong\u003e (E11107)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFerrea spring seat locations\u003c\/strong\u003e (SL1116)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eValve locks\u003c\/strong\u003e (48 pieces) (K10102)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable packaging\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\u003cth\u003ePart number\u003c\/th\u003e\u003cth\u003eContents\u003c\/th\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eS10137-24\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e24 valve springs\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2009 → Nissan GT-R R35\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e VR38DETT\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReplacement springs for Ferrea KT4016 series\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":52015963275611,"sku":"FER-S10137-24","price":687.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/S10137-ferrea-r35-gtr-single-valve-springs-set-24_1024x1024_d2e2862e-1321-4200-a2ef-964999ca1f71.png?v=1768037734"},{"product_id":"kelford-valve-springs-retainers-nissan-r35-gt-r-vr38dett","title":"Kelford Valve Springs \u0026 Retainers - Nissan R35 GT-R VR38DETT","description":"\u003cp\u003e\u003cstrong\u003eThe Kelford KVS38-BT valve spring and retainer kit\u003c\/strong\u003e is designed as a perfect match \u003cstrong\u003efor Kelford Cams camshafts\u003c\/strong\u003e , providing maximum quality, performance and reliability for Nissan GT-R R35 models.\u003c\/p\u003e\n\u003cp\u003eThe kit is suitable for \u003cstrong\u003eall R35 GT-R models equipped with the VR38DETT engine\u003c\/strong\u003e and is specifically designed for high-rpm, high-lift and performance driving requirements.\u003c\/p\u003e\n\u003ch3\u003eThe package includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs beehive valve springs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e24 titanium retainers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eClosed spring pressure:\u003c\/strong\u003e 80 lb\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOpen spring pressure:\u003c\/strong\u003e 180 lb @ 11 mm lift\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCoil binding height:\u003c\/strong\u003e 24 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExhaust side mounting height:\u003c\/strong\u003e 33.75 mm\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSecond coil bind value:\u003c\/strong\u003e 21 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e(Manufacturer's stated values for different valve configurations.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDesigned for use with Kelford camshafts\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBeehive spring design\u003c\/strong\u003e – better valve control and lighter moving mass\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTitanium retainers\u003c\/strong\u003e – less mass, better durability\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSuitable for high rpm and high valve lift\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eImproves valve train reliability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKelford Racing quality\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":52015968780635,"sku":"KEL-KVS38-BT","price":1019.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/KVS38-BT-kelford-valve-spring-retainer-set-r35-gtr-2_1024x1024_f87b2378-b110-4c8b-af4b-e2763b8d697b.png?v=1768037856"},{"product_id":"ferrea-valve-locks-nissan-r35-gt-r-vr38dett","title":"Ferrea Valve Locks - Nissan R35 GT-R VR38DETT","description":"\u003cp\u003e\u003cstrong\u003eFerrea K10102 valve locks\u003c\/strong\u003e are \u003cstrong\u003e5.5mm radial\u003c\/strong\u003e thread locks designed for \u003cstrong\u003ethe VR38DETT engine\u003c\/strong\u003e of the Nissan GT-R R35.\u003c\/p\u003e\n\u003cp\u003eThe kit is supplied \u003cstrong\u003eas a complete replacement kit for 24 valves\u003c\/strong\u003e and is intended for use with Ferrea titanium retainers for performance and racing use.\u003c\/p\u003e\n\u003ch3\u003eThe package includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e24 pcs valve locks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTotal 48 halves (for 24 valves)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation note\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntended for use with \u003cstrong\u003eFerrea Titanium Retainers\u003c\/strong\u003e :\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eE11106\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eE11107\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eE11110\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e5.5 mm radial thread\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrecise and secure locking\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible with Ferrea titanium retainers\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFull set for 24 valves\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFerrea Racing quality\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":52015972712795,"sku":"FER-K10102","price":254.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/k10102-ferrea-r35-gtr-valve-locks-24_1024x1024_9d325d2f-898a-49be-9bfd-a1eb529fed42.png?v=1768038017"},{"product_id":"kelford-272-264-high-lift-r31-r32-copy","title":"Kelford  KVS15 | RB26DETT Valve Springs","description":"\u003ch3\u003eKelford KVS15 | RB26DETT Valve Springs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cul\u003e\n\u003cli\u003eNISSAN RB26DETT. ‘Drop-in’ high Performance PACALOY single valve spring set to suit OEM retainers and spring base.\n\u003cul\u003e\n\u003cli\u003e80lb seat pressure at 39.10mm installed height.\u003c\/li\u003e\n\u003cli\u003eCoil bind at 24.00mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54097190158683,"sku":"KVS15","price":443.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/1574-ii_1_371_6.jpg?v=1789587553"},{"product_id":"kelford-kvs15-rb26dett-valve-springs-copy","title":"Kelford  KVS26-BT | RB26DETT Extreme","description":"\u003ch3\u003eKelford KVS26-BT | RB26DETT Extreme\u003c\/h3\u003e\n\u003cp\u003eExtreme Beehive Valve Spring and Titanium Retainer kit for Nissan RB26DETT engine. Designed for extreme boost and high RPM racing. Made from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels. Heat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM. This kit is designed for the most powerful RB engines on the planet.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e125lb seat pressure at 35.0mm installed height. 244lbs at 11.0mm valve lift.\u003c\/li\u003e\n\u003cli\u003eCoil bind at 22.0mm. 12.0mm max lift.\u003c\/li\u003e\n\u003cli\u003eIncludes spring seats to set the correct spring installed height.\u003c\/li\u003e\n\u003cli\u003eExtreme nose pressure, please use our \u003ca href=\"https:\/\/kelfordcams.com\/product\/nissan-rb26dett-dlc-coated-cam-follower-x-24-2\/\"\u003eKCF-182\u003c\/a\u003e DLC bucket for improved parts longevity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54097201856859,"sku":"KVS26-BT","price":1159.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/rb26dett-extreme-racing-valve-springs-1.webp?v=1789587782"},{"product_id":"kelford-262-262-low-lift-rb20det-rb25det-copy","title":"Kelford  KVS1855-BT | RB26 Beehive Springs","description":"\u003ch3\u003eKelford KVS1855-BT | RB26 Beehive Springs\u003c\/h3\u003e\n\u003cp\u003eHigh performance nitrided, nano peened PACALOY beehive valve spring and high-grade Titanium retainer kit. This kit was designed specifically by Kelford for RB26DETT engines and we believe it is the best valve spring kit in the world for these engines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e105lb seat pressure at 39.10mm installed height. Coil bind at 27.00mm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54097252974939,"sku":"KVS1855-BT","price":1145.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/kvs1855-bt.jpg?v=1789588841"},{"product_id":"kelford-kvs1855-bt-rb26-beehive-springs-copy","title":"Kelford KVS20-T | RB20\/RB25 Springs and Titanium Retainers","description":"\u003ch3\u003eKelford KVS20-T | RB20\/RB25 Springs and Titanium Retainers\u003c\/h3\u003e\n\u003cp\u003eNISSAN RB20DET RB25DET. Fits early heads without NVCS. High performance PACALOY single valve spring and Titanium retainer kit.\u003cbr\u003eUse OEM spring base. 85lb seat pressure at 36.00mm install height. Coil bind at 22.00mm.\u003c\/p\u003e\n\u003cp\u003eThe Titanium retainer is a lightweight version of the OEM part, sharing the same key dimensions. The Titanium retainer is over 40% lighter retainer than the steel OEM retainer.\u003c\/p\u003e\n\u003cp\u003eKit contains: 24 valve springs and 24 Titanium retainers.\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54097326571867,"sku":"KVS20-T","price":746.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/KVS20-T.jpg?v=1789589269"},{"product_id":"kelford-rb26dett-intake-valve-set-copy","title":"Kelford KVS35 | VQ35 Valve Springs","description":"\u003ch3\u003eKelford KVS35 | VQ35 Valve Springs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cul\u003e\n\u003cli\u003eThe Nissan VQ35DE-(T) high performance PACALOY valve spring is now available with a nano-peen and gold nitride surface finish for unrivaled strength and superior performance.\u003cbr\u003eDesigned to fit OEM retainers, this valve spring boasts a 62lb seat pressure and 12.50mm maximum lift for optimal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54106405372251,"sku":"KVS35","price":689.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/kvs35.jpg?v=1789673276"},{"product_id":"kelford-kvs35-vq35-valve-springs-copy","title":"Kelford KVS35-BT | VQ35 Beehive Springs","description":"\u003ch3\u003eKelford KVS35-BT | VQ35 Beehive Springs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cul\u003e\n\u003cli\u003eOvate wire, PACALOY springs featuring nano-peen and gold nitride surface finishing for superior strength and performance. 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Includes 24 springs, 24 retainers and 12 spring bases for the exhaust side to even up the install heights. Intake: 83lb seat pressure at 30.40mm installed height. Exhaust: 80lb seat pressure at 30.65mm installed height. 10.50mm maximum lift.\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54115647619419,"sku":"KVS25R-T","price":746.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/kvs25r-t-2-1-1-1.jpg?v=1789755157"},{"product_id":"kelford-kvs25r-t-rb25det-nvcs-springs-copy","title":"Kelford KVS25R | RB25DET NVCS Race Springs","description":"\u003ch3\u003eKelford KVS25R | RB25DET NVCS Race Springs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cul\u003e\n\u003cli\u003eHigh performance single valve spring set. 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Progressively wound Pacaloy™ Beehive Valve springs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntake; 36.75 installed height, 80lb closed pressure. 180lb at 11mm lift. 24mm coil bind height.\u003c\/li\u003e\n\u003cli\u003eExhaust; 33.75mm installed height, 80lb closed pressure.\u003c\/li\u003e\n\u003cli\u003e180lb at 11mm lift. 21mm coil bind height.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54117366563163,"sku":"KVS38-BT","price":921.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/1598-ii_1_390_6.jpg?v=1789766475"},{"product_id":"kelford-kvs38-bt-vr38dett-valve-springs-copy","title":"Kelford KVS38-X | VR38DETT Extreme Valve Springs","description":"\u003ch3\u003eKelford KVS38-X | VR38DETT Extreme Valve Springs\u003c\/h3\u003e\n\u003cp\u003eExtreme Beehive Valve Spring and Titanium Retainer kit for the Nissan VR38DETT Engine. Designed for extreme boost and high RPM racing engines.\u003cbr\u003eMade from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels.\u003cbr\u003eHeat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM.\u003cbr\u003eThis kit is designed for the most powerful VR38 engines on the planet.\u003c\/p\u003e\n\u003cp\u003e130lb seat pressure at 34.60mm installed height. 250lbs at 11.0mm valve lift. Coil bind at 22.0mm.\u003cbr\u003eKit contains 24 springs, 24 retainers, 12 intake spring seats, 12 exhaust spring seats. 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Designed specifically for twin-cam NISSAN RB engines, this tool makes an otherwise frustrating job faster, safer, and more controlled.\u003c\/p\u003e\n\u003cp\u003eRecognising the challenges unique to RB hydraulic lifter heads — where the valve retainers sit deep in the lifter bore — we engineered the retainer viewing cup with a larger cutaway for better access and easier spring assembly. 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The HRB tool was engineered specifically to tackle these challenges, saving time and reducing the risk of damaging components. Whether you’re upgrading valve springs for high-boost turbo setups, freshening a race engine, or servicing street-driven RB builds, this tool provides the professional-grade control you need.\u003c\/p\u003e\n\u003cp\u003eIdeal for servicing valve springs on NISSAN RB20DET, RB25DET, and RB26DETT engines. Perfect for engine refreshes, camshaft upgrades, cylinder head servicing, and full high-performance engine rebuilds. HRB professional engine tools are trusted by race teams, professional engine builders, and serious enthusiasts worldwide.\u003c\/p\u003e\n\u003cp\u003eThis tool is included in the: \u003cstrong\u003eHRB RB Engine Build Kit\u003c\/strong\u003e\u003c\/p\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54117689393499,"sku":"HRB-ICS-RB","price":310.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/HRB-ICS-RB-3-940x627.jpg?v=1789768197"},{"product_id":"kelford-294-288-294-turbo-vk56de-stage-3-copy","title":"Kelford KVS56 | VK56 Valve Springs","description":"\u003ch3\u003eKelford KVS56 | VK56 Valve Springs\u003c\/h3\u003e\n\u003cp\u003eHigh Performance PACALOY valve spring. Featuring nano-peen and gold nitride surface finishing for superior strength and performance. Suits OEM retainers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e62lb seat pressure. 12.50mm maximum lift.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kelford","offers":[{"title":"Default Title","offer_id":54117745951067,"sku":"KVS56","price":952.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/1612-ii_1_387_6.jpg?v=1789768653"},{"product_id":"kelford-kvs56-vk56-valve-springs-copy","title":"Kelford KVS56-BT | VK56 Beehive Springs","description":"\u003ch3\u003eKelford KVS56-BT | VK56 Beehive Springs\u003c\/h3\u003e\n\u003cp\u003eHigh Performance Ovate wire, PACALOY Beehive valve spring set. Featuring nano-peen and gold nitride surface finishing for superior strength and performance. 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