Supertech Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat) - SPRK-HY1015-3 MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1022D MSRP: $707.75 Was: Now: $566.32 Add to Cart
Supertech Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1019D MSRP: $707.75 Was: Now: $566.32 Add to Cart
Supertech Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T MSRP: $733.51 Was: Now: $586.94 Add to Cart
Supertech Supertech VW 2.5L 5cyl 20V Single Valve Spring Kit - SPRK-A2416-5 MSRP: $687.12 Was: Now: $549.81 Add to Cart
Supertech Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit - SPRK-1012-M18D MSRP: $752.89 Was: Now: $602.45 Add to Cart
GSC Power Division GSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit - 5073 MSRP: $609.24 Was: Now: $517.85 Add to Cart
Ferrea Ferrea Toyota B58 3.0L 22.53mm OD 15.52mm ID Single Valve Springs - Set of 24 - S10177 MSRP: $591.84 Was: Now: $532.66 Add to Cart
Supertech Supertech BMW S65/S85 Beehive Valve Spring - Set of 40 (Use w/Factory Retainer & Base) - SPR-BMS65-BE1-40 MSRP: $770.11 Was: Now: $616.23 Add to Cart
Supertech Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height) - SPRK-MM16D-2 MSRP: $736.44 Was: Now: $589.28 Add to Cart
Supertech Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU4 MSRP: $683.71 Was: Now: $547.09 Add to Cart
Supertech Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T-DR MSRP: $733.51 Was: Now: $586.94 Add to Cart
Supertech Supertech Mazda Miata 1.8L Single Valve Spring Kit - SPRK-MM18-S MSRP: $659.66 Was: Now: $527.84 Add to Cart
Supertech Supertech Nissan RB26DET 24V Single Valve Spring Kit - SPRK-M1007S-RB MSRP: $780.63 Was: Now: $624.64 Add to Cart
Supertech Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU1 MSRP: $683.71 Was: Now: $547.09 Add to Cart
Supertech Supertech Honda Integra LS B18A/B Dual Valve Spring Kit - SPRK-TS1015-LS MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm - SPRK-TS-DUR-DS MSRP: $659.66 Was: Now: $527.84 Add to Cart
Supertech Supertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit - SPRK-TS-DUR-D2 MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit - SPRK-TS-DUR-D1 MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech Supertech Mazda Miata 1.8L Dual Valve Spring Kit - SPRK-MM18-D MSRP: $736.44 Was: Now: $589.28 Add to Cart
Supertech Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit - SPRK-MC56BE MSRP: $635.58 Was: Now: $508.58 Add to Cart
Supertech Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D-3 MSRP: $702.92 Was: Now: $562.46 Add to Cart
Supertech Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D MSRP: $702.92 Was: Now: $562.46 Add to Cart
Supertech 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) MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1022D Supertech Honda F20/K20A2 Dual Valve Spring Kit MSRP: $707.75 Was: Now: $566.32 Add to Cart
Supertech Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1019D Supertech Honda F20/K20A2 Dual Valve Spring Kit MSRP: $707.75 Was: Now: $566.32 Add to Cart
Supertech Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit MSRP: $733.51 Was: Now: $586.94 Add to Cart
Supertech Supertech VW 2.5L 5cyl 20V Single Valve Spring Kit - SPRK-A2416-5 Supertech VW 2.5L 5cyl 20V Single Valve Spring Kit MSRP: $687.12 Was: Now: $549.81 Add to Cart
Supertech 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 MSRP: $752.89 Was: Now: $602.45 Add to Cart
GSC Power Division GSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit - 5073 GSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit MSRP: $609.24 Was: Now: $517.85 Add to Cart
Ferrea Ferrea Toyota B58 3.0L 22.53mm OD 15.52mm ID Single Valve Springs - Set of 24 - S10177 Ferrea Toyota B58 3.0L 22.53mm OD 15.52mm ID Single Valve Springs - Set of 24 MSRP: $591.84 Was: Now: $532.66 Add to Cart
Supertech Supertech BMW S65/S85 Beehive Valve Spring - Set of 40 (Use w/Factory Retainer & Base) - SPR-BMS65-BE1-40 Supertech BMW S65/S85 Beehive Valve Spring - Set of 40 (Use w/Factory Retainer & Base) MSRP: $770.11 Was: Now: $616.23 Add to Cart
Supertech Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height) - SPRK-MM16D-2 Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height) MSRP: $736.44 Was: Now: $589.28 Add to Cart
COMP Cams COMP Cams Valve SpringFord 4.6/5.4L - 26123-32 Performance Street 1.105" OD Beehive Spring; 1.470" Installed Height; 32 SpringThis Part Fits:YearMakeModelSubmodel1996-2001,2003-2004FordMustangGT2001FordMustangGT Bullitt2003-2004FordMustangMach 11996-1999,2001,2003-2004FordMustangSVT... MSRP: Was: Now: $597.95 Add to Cart
Supertech Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU4 Supertech Subaru WRX/STi 16V Dual Valve Spring Kit MSRP: $683.71 Was: Now: $547.09 Add to Cart
Supertech Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T-DR Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit MSRP: $733.51 Was: Now: $586.94 Add to Cart
Supertech Supertech Mazda Miata 1.8L Single Valve Spring Kit - SPRK-MM18-S Supertech Mazda Miata 1.8L Single Valve Spring Kit MSRP: $659.66 Was: Now: $527.84 Add to Cart
Supertech Supertech Nissan RB26DET 24V Single Valve Spring Kit - SPRK-M1007S-RB Supertech Nissan RB26DET 24V Single Valve Spring Kit MSRP: $780.63 Was: Now: $624.64 Add to Cart
Supertech Supertech Subaru WRX/STi 16V Dual Valve Spring Kit - SPRK-TS1015-SU1 Supertech Subaru WRX/STi 16V Dual Valve Spring Kit MSRP: $683.71 Was: Now: $547.09 Add to Cart
Supertech Supertech Honda Integra LS B18A/B Dual Valve Spring Kit - SPRK-TS1015-LS Supertech Honda Integra LS B18A/B Dual Valve Spring Kit MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech 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 MSRP: $659.66 Was: Now: $527.84 Add to Cart
Supertech 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 MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech 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 MSRP: $735.22 Was: Now: $588.31 Add to Cart
Supertech Supertech Mazda Miata 1.8L Dual Valve Spring Kit - SPRK-MM18-D Supertech Mazda Miata 1.8L Dual Valve Spring Kit MSRP: $736.44 Was: Now: $589.28 Add to Cart
Supertech Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit - SPRK-MC56BE Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit MSRP: $635.58 Was: Now: $508.58 Add to Cart
Supertech Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D-3 Supertech Mitsubishi 4G63 Dual Valve Spring Kit MSRP: $702.92 Was: Now: $562.46 Add to Cart
Supertech Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D Supertech Mitsubishi 4G63 Dual Valve Spring Kit MSRP: $702.92 Was: Now: $562.46 Add to Cart
