Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-HY1012 Dual Valve Spring 75@ 34.5mm (16)SPR-HY1012+ RET-TS1015/T1EX - SEAT-M1015-2 (also use OEM seal-seat)Supertech valve springs are made with premium Super Clean...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-TS1015/EC Dual Valve Spring 78lbs @ 34.6mm SPR-TS1015/EC + RET-TS5.5/T5 + SEAT-EC1015Supertech valve springs are made with premium Super Clean Chrome silicon...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-TS1012/EC Dual Valve Spring 75Lbs @ 33.9mm SPR-TS1012/EC + RET-TS5.5/T5R + SEAT-EC1015Supertech valve springs are made with premium Super Clean Chrome silicon...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-H1005D/BM Dual valve spring 94lbs @ 35.70mm (24)SPR-H1005D/BM(24)+RET-AU5VE/T1 + (24) SEAT-BM60Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-H1000D/BM Dual valve spring 80lbs @ 35.70mm (24)SPR-H1000D/BM(24)+RET-AU5VE/T1+(24)SEAT-BM60Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium Steel alloy for...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-H1022D/S14 Dual Valve Spring 110lbs @37.60mm (SPR-H1022D/S14) + RET-H70/T1 + SEAT-H1002-S14)Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium...
Best selling productsCylinder Head PartsEngineExcept Excluded Sale BrandsFlash Sale ExclusionsNew productsSupertechValve Springs
Supertech Performance SPRK-H1005D/S14 Dual Valve spring 92lbs @35.5 SPR-H1005D/S14 + RET-BMS14/T1+ SEAT-H1002-S14)Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium Steel...
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