Quick view Supertech Supertech Audi V8 Beehive Valve Spring Kit 91lb - 37.4mm / 189 - 10lbs/mm - Rate: 9.8lb/mm - 23mm CB - SPRK-A2416-BE2-V8 Compare $1,380.00 $1,104.99 Supertech Audi V8 Beehive Valve Spring Kit 91lb - 37.4mm / 189 - 10lbs/mm - Rate: 9.8lb/mm - 23mm CB Add to Cart Add to Cart
Quick view Supertech Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In) - SPRK-BMS63B Compare $1,522.16 $1,217.99 Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In) Add to Cart Add to Cart
Quick view Supertech Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit - SPRK-TS1015-N352-32 Compare $1,400.42 $1,120.99 Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Nissan VK56 Dual Valve Spring Kit - SPRK-TS1012-N35-32 Compare $1,398.72 $1,119.99 Supertech Nissan VK56 Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80) - SPRK-EC3027D-3UR Compare $1,575.07 $1,260.99 Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80) Add to Cart Add to Cart
Quick view Supertech Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit - SPRK-EC3025D-3UR Compare $1,575.07 $1,260.99 Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Audi V8 4.2L 40V Dual Valve Spring Kit - SPRK-AUDI4.2T Compare $1,376.69 $1,101.99 Supertech Audi V8 4.2L 40V Dual Valve Spring Kit Add to Cart Add to Cart
Quick view Supertech Supertech Audi V8 Beehive Valve Spring Kit - SPRK-A2416N-BE2-V8 Compare $1,380.61 $1,104.99 Supertech Audi V8 Beehive Valve Spring Kit Add to Cart Add to Cart
Quick view Ferrea Ferrea Toyota Supra 3.0L B58 Turbo Spring Kit - KT4048 Compare $1,185.60 $1,067.99 Ferrea Toyota Supra 3.0L B58 Turbo Spring Kit Add to Cart Add to Cart
Quick view Ferrea Ferrea 98-05 VW 1.8T Single/Dual Spring Kit - KT4040 Compare $1,182.40 $1,064.99 Ferrea 98-05 VW 1.8T Single/Dual Spring Kit Add to Cart Add to Cart
Quick view Ferrea Ferrea 10-16 Ford Ecoboost 3.5L Spring Kit - KT4037 Compare $1,345.92 $1,211.99 Ferrea 10-16 Ford Ecoboost 3.5L Spring Kit Add to Cart Add to Cart
Sold Out Quick view Ferrea Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit - KT4035 Compare $1,351.36 $1,216.99 Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit Currently Out of stock. On order! Currently Out of stock. On order!