Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H1002D MSRP: $569.33 Was: Now: $455.56
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM-ST MSRP: $927.61 Was: Now: $742.25
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM MSRP: $1,050.31 Was: Now: $840.43 Add to Cart
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm - SPRK-FE20N54-BE-2 MSRP: $1,082.33 Was: Now: $865.87 Add to Cart
Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal) - SPRK-FE20N54-BE MSRP: $1,082.33 Was: Now: $865.87 Add to Cart
Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat) - SPRK-FE20BE MSRP: $392.65 Was: Now: $314.19
Supertech Honda F22A 16V Single Valve Spring Kit - SPRK-F22AB MSRP: $579.15 Was: Now: $463.42 Add to Cart
Supertech Audi V8 4.2L 40V Dual Valve Spring Kit - SPRK-AUDI4.2T MSRP: $1,376.69 Was: Now: $1,101.59 Add to Cart
Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit - SPRK-AUDI2.7T MSRP: $1,047.85 Was: Now: $838.46 Add to Cart
Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit - SPRK-AUDI18T MSRP: $698.58 Was: Now: $558.99 Add to Cart
Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit - SPRK-A2416-BE2 MSRP: $690.31 Was: Now: $552.37
Supertech BMW S54 24V 3.2L Dual Valve Spring Kit - SPRK-2521-2BM-T1 MSRP: $1,050.31 Was: Now: $840.43 Add to Cart
Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB25 MSRP: $864.44 Was: Now: $691.70 Add to Cart
Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB20 MSRP: $941.84 Was: Now: $753.64 Add to Cart
Supertech Nissan SR20VE 2.0L DOHC Dual Valve Spring Kit - SPRK-2035-2022 MSRP: $591.15 Was: Now: $473.03 Add to Cart
Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit - SPRK-1012-M18D MSRP: $717.04 Was: Now: $573.76 Add to Cart
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16 - SPR-TS1015-SI-16 MSRP: $202.96 Was: Now: $162.40 Add to Cart
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16 - SPR-TS1015-16 MSRP: $275.10 Was: Now: $220.13 Add to Cart
Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16 - SPR-MC56BE-16 MSRP: $261.95 Was: Now: $209.61 Add to Cart
Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16 - SPR-H200DR-16 MSRP: $417.45 Was: Now: $334.04
Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16 - SPR-H1022D-16 MSRP: $297.87 Was: Now: $238.35
Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16 - SPR-H1021D-16 MSRP: $297.87 Was: Now: $238.35
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H1002D Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) MSRP: $569.33 Was: Now: $455.56
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 MSRP: $927.61 Was: Now: $742.25
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 MSRP: $1,050.31 Was: Now: $840.43 Add to Cart
Supertech Honda H22 Dual Valve Spring Kit - SPRK-H1000D Supertech Honda H22 Dual Valve Spring Kit MSRP: $569.33 Was: Now: $455.56 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 MSRP: $1,082.33 Was: Now: $865.87 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) MSRP: $1,082.33 Was: Now: $865.87 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) MSRP: $392.65 Was: Now: $314.19
Supertech Honda F22A 16V Single Valve Spring Kit - SPRK-F22AB Supertech Honda F22A 16V Single Valve Spring Kit MSRP: $579.15 Was: Now: $463.42 Add to Cart
Supertech Seedoo 4TEC Dual Valve Spring Kit - SPRK-EC3025D-SE Supertech Seedoo 4TEC Dual Valve Spring Kit MSRP: $444.98 Was: Now: $356.06
Supertech Audi V8 4.2L 40V Dual Valve Spring Kit - SPRK-AUDI4.2T Supertech Audi V8 4.2L 40V Dual Valve Spring Kit MSRP: $1,376.69 Was: Now: $1,101.59 Add to Cart
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 MSRP: $1,047.85 Was: Now: $838.46 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 MSRP: $698.58 Was: Now: $558.99 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 MSRP: $690.31 Was: Now: $552.37
Supertech BMW S54 24V 3.2L Dual Valve Spring Kit - SPRK-2521-2BM-T1 Supertech BMW S54 24V 3.2L Dual Valve Spring Kit MSRP: $1,050.31 Was: Now: $840.43 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 MSRP: $864.44 Was: Now: $691.70 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 MSRP: $941.84 Was: Now: $753.64 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 MSRP: $591.15 Was: Now: $473.03 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 MSRP: $717.04 Was: Now: $573.76 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 MSRP: $202.96 Was: Now: $162.40 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 MSRP: $275.10 Was: Now: $220.13 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 MSRP: $261.95 Was: Now: $209.61 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 MSRP: $417.45 Was: Now: $334.04
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 MSRP: $297.87 Was: Now: $238.35
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 MSRP: $297.87 Was: Now: $238.35