Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm - SPRK-TS-DUR-DS $659.66 $527.84 Add to Cart
Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit - SPRK-TS-DUR-D1 $735.22 $588.31 Add to Cart
Supertech VW VR6 24V R32 Dual Valve Spring Kit 76lbs - SPRK-TC25D-VR6-36 $1,083.62 $867.08 Add to Cart
Supertech Hyundai Veloster 16V Beehive Valve Spring Kit 75lbs - 33.5mm / 172 - 10mm Lift / 22.2mm CB - SPRK-MC56BE-G4FJ $422.48 $338.06 Add to Cart
Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat) - SPRK-M1015-EX2 $735.22 $588.31 Add to Cart
Supertech Nissan SKYLINE RB25 DOHC 24V (NEO Version) Beehive Valve Spring Kit - SPRK-M1007BE-RB25N $991.05 $793.01 Add to Cart
Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat) - SPRK-HY1015-3 $735.22 $588.31
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H200DR $747.22 $597.91 Add to Cart
Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss) - SPRK-H1022D-VE $621.85 $497.59
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 Nissan 300ZX VG30D Dual Valve Spring Kit - SPRK-TS1012-2 Supertech Nissan 300ZX VG30D Dual Valve Spring Kit $1,025.51 $820.59
Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm - SPRK-TS-DUR-DS Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm $659.66 $527.84 Add to Cart
Supertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit - SPRK-TS-DUR-D2 Supertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit $735.22 $588.31 Add to Cart
Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit - SPRK-TS-DUR-D1 Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit $735.22 $588.31 Add to Cart
Supertech VW VR6 24V R32 Dual Valve Spring Kit 76lbs - SPRK-TC25D-VR6-36 Supertech VW VR6 24V R32 Dual Valve Spring Kit 76lbs $1,083.62 $867.08 Add to Cart
Supertech Toyota 4AGE 16V Dual Valve Spring Kit - SPRK-TC25D Supertech Toyota 4AGE 16V Dual Valve Spring Kit $642.81 $514.36 Add to Cart
Supertech Mazda Miata 1.8L Single Valve Spring Kit - SPRK-MM18-S Supertech Mazda Miata 1.8L Single Valve Spring Kit $659.66 $527.84 Add to Cart
Supertech Mazda Miata 1.8L Dual Valve Spring Kit - SPRK-MM18-D Supertech Mazda Miata 1.8L Dual Valve Spring Kit $736.44 $589.28 Add to Cart
Supertech Hyundai Veloster 16V Beehive Valve Spring Kit 75lbs - 33.5mm / 172 - 10mm Lift / 22.2mm CB - SPRK-MC56BE-G4FJ Supertech Hyundai Veloster 16V Beehive Valve Spring Kit 75lbs - 33.5mm / 172 - 10mm Lift / 22.2mm CB $422.48 $338.06 Add to Cart
Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit - SPRK-MC56BE Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit $635.58 $508.58 Add to Cart
Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat) - SPRK-M1015-EX2 Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat) $735.22 $588.31 Add to Cart
Supertech Nissan RB26DET 24V Single Valve Spring Kit - SPRK-M1007S-RB Supertech Nissan RB26DET 24V Single Valve Spring Kit $780.63 $624.64 Add to Cart
Supertech Nissan RB26DET 24V Dual Valve Spring Kit - SPRK-M1007D-RB Supertech Nissan RB26DET 24V Dual Valve Spring Kit $894.23 $715.54 Add to Cart
Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D-3 Supertech Mitsubishi 4G63 Dual Valve Spring Kit $702.92 $562.46 Add to Cart
Supertech Nissan SKYLINE RB25 DOHC 24V (NEO Version) Beehive Valve Spring Kit - SPRK-M1007BE-RB25N Supertech Nissan SKYLINE RB25 DOHC 24V (NEO Version) Beehive Valve Spring Kit $991.05 $793.01 Add to Cart
Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat) - SPRK-HY1015-3 Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat) $735.22 $588.31
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H200DR Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) $747.22 $597.91 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-Seriers 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
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
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