Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss) - SPRK-H1022D-VE $621.85 $497.59
Supertech Honda B-Series Dual Valve Spring Kit (Set of 16) - SPRK-H100DR-ST $511.91 $409.62 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H100DR-BM-16 $735.22 $588.31 Add to Cart
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H100DR $597.80 $478.35 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1005D-BM $1,102.84 $882.47 Add to Cart
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H1002D $597.80 $478.35 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM-ST $974.00 $779.37 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM $1,102.84 $882.47 Add to Cart
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm - SPRK-FE20N54-BE-2 $1,136.21 $909.17 Add to Cart
Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal) - SPRK-FE20N54-BE $1,136.21 $909.17 Add to Cart
Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat) - SPRK-FE20BE $412.29 $329.90 Add to Cart
Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit - SPRK-AUDI2.7T $1,100.24 $880.38 Add to Cart
Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit - SPRK-A2416-BE2 $724.83 $579.99 Add to Cart
Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB25 $907.67 $726.30 Add to Cart
Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB20 $988.94 $791.33 Add to Cart
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16 - SPR-TS1015-SI-16 $213.11 $170.53 Add to Cart
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16 - SPR-TS1015-16 $288.85 $231.13 Add to Cart
Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16 - SPR-MC56BE-16 $275.05 $220.09 Add to Cart
Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16 - SPR-H200DR-16 $438.33 $350.74 Add to Cart
Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16 - SPR-H1022D-16 $312.77 $250.27 Add to Cart
Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16 - SPR-H1021D-16 $312.77 $250.27 Add to Cart
Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16 - SPR-H1019D-16 $360.89 $288.78 Add to Cart
Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss) - SPRK-H1022D-VE Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss) $621.85 $497.59
Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1022D Supertech Honda F20/K20A2 Dual Valve Spring Kit $707.75 $566.32 Add to Cart
Supertech Nissan SR20DET Single Valve Spring Kit - SPRK-H1021S-SR20 Supertech Nissan SR20DET Single Valve Spring Kit $522.23 $417.88 Add to Cart
Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1019D Supertech Honda F20/K20A2 Dual Valve Spring Kit $707.75 $566.32 Add to Cart
Supertech Honda B-Series Dual Valve Spring Kit (Set of 16) - SPRK-H100DR-ST Supertech Honda B-Seriers Dual Valve Spring Kit (Set of 16) $511.91 $409.62 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H100DR-BM-16 Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit $735.22 $588.31 Add to Cart
Supertech Nissan KA24 Dual Valve Spring Kit - SPRK-H100DR-240 Supertech Nissan KA24 Dual Valve Spring Kit $683.71 $547.09 Add to Cart
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H100DR Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) $597.80 $478.35 Add to Cart
Supertech Honda F20/K20A2 Beehive Valve Spring Kit - SPRK-H1007BE-2 Supertech Honda F20/K20A2 Beehive Valve Spring Kit $721.49 $577.32 Add to Cart
Supertech Honda F20/K20A2 Beehive Valve Spring Kit - SPRK-H1007BE-1 Supertech Honda F20/K20A2 Beehive Valve Spring Kit $721.49 $577.32 Add to Cart
Supertech Honda K24Z7 Dual Valve Spring Kit - SPRK-H1005D-Z7 Supertech Honda K24Z7 Dual Valve Spring Kit $776.24 $621.13 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1005D-BM Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit $1,102.84 $882.47 Add to Cart
Supertech Honda H22 Dual Valve Spring Kit - SPRK-H1005D Supertech Honda H22 Dual Valve Spring Kit $597.80 $478.35 Add to Cart
Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit - SPRK-H1002S Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit $522.23 $417.88 Add to Cart
Supertech Hyundai 3.8L 24V Dual Valve Spring Kit - SPRK-H1002D-HY Supertech Hyundai 3.8L 24V Dual Valve Spring Kit $1,185.29 $948.44 Add to Cart
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H1002D Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) $597.80 $478.35 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM-ST Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit $974.00 $779.37 Add to Cart
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit $1,102.84 $882.47 Add to Cart
Supertech Honda H22 Dual Valve Spring Kit - SPRK-H1000D Supertech Honda H22 Dual Valve Spring Kit $597.80 $478.35 Add to Cart
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm - SPRK-FE20N54-BE-2 Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm $1,136.21 $909.17 Add to Cart
Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal) - SPRK-FE20N54-BE Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal) $1,136.21 $909.17 Add to Cart
Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat) - SPRK-FE20BE Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat) $412.29 $329.90 Add to Cart
Supertech Honda F22A 16V Single Valve Spring Kit - SPRK-F22AB Supertech Honda F22A 16V Single Valve Spring Kit $608.11 $486.59 Add to Cart
Supertech Seedoo 4TEC Dual Valve Spring Kit - SPRK-EC3025D-SE Supertech Seedoo 4TEC Dual Valve Spring Kit $467.24 $373.88 Add to Cart
Supertech Audi V8 4.2L 40V Dual Valve Spring Kit - SPRK-AUDI4.2T Supertech Audi V8 4.2L 40V Dual Valve Spring Kit $1,445.53 $1,156.68
Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit - SPRK-AUDI2.7T Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit $1,100.24 $880.38 Add to Cart
Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit $733.51 $586.94 Add to Cart
Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit - SPRK-A2416-BE2 TFSISupertech Audi 2.5T FSI/EA113/EA888 Single Valve Spring Kit $724.83 $579.99 Add to Cart
Supertech BMW S54 24V 3.2L Dual Valve Spring Kit - SPRK-2521-2BM-T1 Supertech BMW S54 24V 3.2L Dual Valve Spring Kit $1,102.84 $882.47 Add to Cart
Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB25 Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit $907.67 $726.30 Add to Cart
Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB20 Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit $988.94 $791.33 Add to Cart
Supertech Nissan SR20VE 2.0L DOHC Dual Valve Spring Kit - SPRK-2035-2022 Supertech Nissan SR20VE 2.0L DOHC Dual Valve Spring Kit $620.72 $496.69 Add to Cart
Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit - SPRK-1012-M18D Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit $752.89 $602.45 Add to Cart
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16 - SPR-TS1015-SI-16 Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16 $213.11 $170.53 Add to Cart
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16 - SPR-TS1015-16 Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16 $288.85 $231.13 Add to Cart
Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16 - SPR-MC56BE-16 Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16 $275.05 $220.09 Add to Cart
Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16 - SPR-H200DR-16 Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16 $438.33 $350.74 Add to Cart
Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16 - SPR-H1022D-16 Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16 $312.77 $250.27 Add to Cart
Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16 - SPR-H1021D-16 Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16 $312.77 $250.27 Add to Cart
Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16 - SPR-H1019D-16 Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16 $360.89 $288.78 Add to Cart
