Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSpring and Retainer KitsSupertechValve Springs
Supertech Performance SPRK-V1107D/7 Dual Valve Spring (7mm stem) 147@ 34mm SPR-V1107 + RET-021Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSpring and Retainer KitsSupertechValve Springs
Supertech Performance SPRK-T2ZS Single Valve Spring Kit - 70 @38.5mm (16) SPR-T2ZS + (16)RET-T2Z/T1 Supertech valve springs are made with premium Super Clean Chrome...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSpring and Retainer KitsSupertechValve Springs
Supertech Performance SPRK-M1007S-TB48 Single Valve spring Kit 88 @ 38.5mm SPR-M1007S + OEM Retainer + OEM Seat (opt. spring shim SS-3025)Supertech valve springs are...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSpring and Retainer KitsSupertechValve Springs
Supertech Performance SPRK-M1005S-TB48 Single Valve spring Kit 78 @ 38.5mm SPR-M1005S + OEM Retainer + OEM Seat (opt. Spring shim SS-3025)Supertech valve springs are...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSpring and Retainer KitsSupertechValve Springs
Supertech Performance SPRK-H100DR/240 Dual Valve Spring 84@ 34.85mm SPR-H100DR + RET-H70/T1 + SEAT-H/N240Supertech valve springs are computer designed to ensure smooth harmonics under high...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Single Valve Springs, Titanium Retainers, and Seats for J30, J32 V6 SOHC VTEC EnginesSpecifications: Outer Spring -- 22.74mm OD -- 15.25mm ID 71...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Dual Valve Spring 80Lbs@36.4mm SPR-Honda 1005D, Retainer-K24Z7/T1, Seat-H1020DS, KeeperValve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech 80b Dual Valve Springs, Titanium Retainers and Spring Seats for Honda K20, K20a2, K20z1, K20z3, K24a2 Outer Spring -- 30.00mm OD -- 21.80mm...
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