Quick view Supertech Supertech Audi V8 4.2L 40V Dual Valve Spring Kit - SPRK-AUDI4.2T Compare $1,445.53 $1,156.99 Supertech Audi V8 4.2L 40V Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T-DR Compare $733.51 $586.99 Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech 17-24 Audi S4 B9 EA839 Beehive Valve Spring Kit - SPRK-A2416-BE1-V6 Compare $1,087.19 $869.99 Supertech 17-24 Audi B9 S4 Beehive Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Titanium Retainer for Audi 5V Intake Spring SPR-A2095 - Set of 12 - RET-AU5VI-T2-12 Compare $232.50 $186.99 Supertech Titanium Retainer for Audi 5V Intake Spring SPR-A2095 - Set of 12 Add to Cart Add to Cart
Quick view Ferrea Ferrea 01-06 BMW S54 Dual Spring Kit - KT4045 Compare $1,728.00 $1,555.99 Ferrea 01-06 BMW S54 Dual Spring Kit Add to Cart Add to Cart
Quick view Ferrea Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit - KT4035 Compare $1,401.28 $1,261.99 Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech VW 1.8L Titanium Retainer for 8mm Valve Stem Triple Groove - Set of 8 - RET-026-8 Compare $90.18 $72.99 Supertech VW 1.8L Titanium Retainer for 8mm Valve Stem Triple Groove - Set of 8 Add to Cart Add to Cart
Quick view Supertech Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU4 Compare $683.71 $547.99 Supertech Subaru WRX/STi 16V Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Titanium Retainer for SPR-H1000 Series - Single (Drop Ship Only) - RET-AU5VE-T1 Compare $19.37 $15.99 Supertech Titanium Retainer for SPR-H1000 Series Add to Cart Add to Cart
Quick view Skunk2 Racing Skunk2 88-00 Honda Civic D-Series Alpha Series Titanium Retainer Set - 308-05-1600 Compare $188.99 $179.99 Skunk2's industry-leading Alpha Titanium Retainers for the Honda D Series engines are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Similar to Skunk2's already popular Pro Series... Add to Cart Add to Cart
Quick view Supertech Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D-3 Compare $702.92 $562.99 Supertech Mitsubishi 4G63 Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Titanium Retainer for SPR-H1000 Series - Set of 8 - RET-AU5VE-T1-8 Compare $154.87 $123.99 Supertech Titanium Retainer for SPR-H1000 Series - Set of 8 Add to Cart Add to Cart
