Shop By
Price
Color
Size
Brand

Custom Services

Sidebar

Engine Components

$853.99
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
  • Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
Sale -19%
Supertech

Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit

$853.99 $1,050.31
Add to cart
Add to wishlist
$468.99
Supertech Honda H22 Dual Valve Spring Kit
  • Supertech Honda H22 Dual Valve Spring Kit
Sale -18%
Supertech

Supertech Honda H22 Dual Valve Spring Kit

$468.99 $569.33
Add to cart
Add to wishlist
$410.99
Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit
  • Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit
Sale -17%
Supertech

Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit

$410.99 $497.35
Add to cart
Add to wishlist
$915.99
Supertech Hyundai 3.8L 24V Dual Valve Spring Kit
  • Supertech Hyundai 3.8L 24V Dual Valve Spring Kit
Sale -19%
Supertech

Supertech Hyundai 3.8L 24V Dual Valve Spring Kit

$915.99 $1,128.84
Add to cart
Add to wishlist
$468.99
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers)
  • Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers)
Sale -18%
Supertech

Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers)

$468.99 $569.33
Add to cart
Add to wishlist
$754.99
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
  • Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
Sale -19%
Supertech

Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit

$754.99 $927.61
Add to cart
Add to wishlist
$853.99
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
  • Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
Sale -19%
Supertech

Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit

$853.99 $1,050.31
Add to cart
Add to wishlist
$468.99
Supertech Honda H22 Dual Valve Spring Kit
  • Supertech Honda H22 Dual Valve Spring Kit
Sale -18%
Supertech

Supertech Honda H22 Dual Valve Spring Kit

$468.99 $569.33
Add to cart
Add to wishlist
$878.99
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm
  • Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm
Sale -19%
Supertech

Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm

$878.99 $1,082.33
Add to cart
Add to wishlist
$878.99
Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal)
  • Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal)
Sale -19%
Supertech

Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory ...

$878.99 $1,082.33
Add to cart
Add to wishlist
$326.99
Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat)
  • Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat)
Sale -17%
Supertech

Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Us...

$326.99 $392.65
Add to cart
Add to wishlist
$476.99
Supertech Honda F22A 16V Single Valve Spring Kit
  • Supertech Honda F22A 16V Single Valve Spring Kit
Sale -18%
Supertech

Supertech Honda F22A 16V Single Valve Spring Kit

$476.99 $579.15
Add to cart
Add to wishlist
$515.99
Supertech Honda D16A1 Single Valve Spring Kit
  • Supertech Honda D16A1 Single Valve Spring Kit
Sale -18%
Supertech

Supertech Honda D16A1 Single Valve Spring Kit

$515.99 $628.24
Add to cart
Add to wishlist
$368.99
Supertech Seedoo 4TEC Dual Valve Spring Kit
  • Supertech Seedoo 4TEC Dual Valve Spring Kit
Sale -17%
Supertech

Supertech Seedoo 4TEC Dual Valve Spring Kit

$368.99 $444.98
Add to cart
Add to wishlist
$878.99
Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
  • Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
Sale -19%
Supertech

Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit

$878.99 $1,082.10
Add to cart
Add to wishlist
$1,114.99
Supertech Audi V8 4.2L 40V Dual Valve Spring Kit
  • Supertech Audi V8 4.2L 40V Dual Valve Spring Kit
Sale -19%
Supertech

Supertech Audi V8 4.2L 40V Dual Valve Spring Kit

$1,114.99 $1,376.69
Add to cart
Add to wishlist
$851.99
Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit
  • Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit
Sale -19%
Supertech

Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit

$851.99 $1,047.85
Add to cart
Add to wishlist
$571.99
Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit
  • Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit
Sale -18%
Supertech

Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit

$571.99 $698.58
Add to cart
Add to wishlist
$565.99
Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit
  • Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit
Sale -18%
Supertech

Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit

$565.99 $690.31
Add to cart
Add to wishlist
$510.99
Supertech Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)
  • Supertech Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)
Sale -18%
Supertech

Supertech Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)

$510.99 $621.68
Add to cart
Add to wishlist
$639.99
Supertech Toyota 4AGE 20V Single Valve Spring Kit (Black Top)
  • Supertech Toyota 4AGE 20V Single Valve Spring Kit (Black Top)
Sale -18%
Supertech

Supertech Toyota 4AGE 20V Single Valve Spring Kit (Black Top)

$639.99 $783.53
Add to cart
Add to wishlist
$853.99
Supertech BMW S54 24V 3.2L Dual Valve Spring Kit
  • Supertech BMW S54 24V 3.2L Dual Valve Spring Kit
Sale -19%
Supertech

Supertech BMW S54 24V 3.2L Dual Valve Spring Kit

$853.99 $1,050.31
Add to cart
Add to wishlist
$623.99
Supertech Toyota 2JZ Single Valve Spring Kit
  • Supertech Toyota 2JZ Single Valve Spring Kit
Sale -18%
Supertech

Supertech Toyota 2JZ Single Valve Spring Kit

$623.99 $763.95
Add to cart
Add to wishlist
$704.99
Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit
  • Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit
Sale -18%
Supertech

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single...

$704.99 $864.44
Add to cart
Add to wishlist
$766.99
Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit
  • Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit
Sale -19%
Supertech

Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single...

$766.99 $941.84
Add to cart
Add to wishlist
$485.99
Supertech Nissan SR20VE 2.0L DOHC Dual Valve Spring Kit
  • Supertech Nissan SR20VE 2.0L DOHC Dual Valve Spring Kit
Sale -18%
Supertech

Supertech Nissan SR20VE 2.0L DOHC Dual Valve Spring Kit

$485.99 $591.15
Add to cart
Add to wishlist
$586.99
Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit
  • Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit
Sale -18%
Supertech

Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit

$586.99 $717.04
Add to cart
Add to wishlist
$288.99
Supertech VW VR6 Dual Valve Spring - Set of 20
  • Supertech VW VR6 Dual Valve Spring - Set of 20
Sale -16%
Supertech

Supertech VW VR6 Dual Valve Spring - Set of 20

$288.99 $344.68
Add to cart
Add to wishlist
$178.99
Supertech VW VR6 Dual Valve Spring - Set of 12
  • Supertech VW VR6 Dual Valve Spring - Set of 12
Sale -13%
Supertech

Supertech VW VR6 Dual Valve Spring - Set of 12

$178.99 $206.81
Add to cart
Add to wishlist
$256.99
Supertech Toyota 2UZFE Single Valve Spring - Set of 16
  • Supertech Toyota 2UZFE Single Valve Spring - Set of 16
Sale -16%
Supertech

Supertech Toyota 2UZFE Single Valve Spring - Set of 16

$256.99 $304.63
Add to cart
Add to wishlist
$175.99
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16
  • Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16
Sale -13%
Supertech

Supertech Toyota Supra 2JZ-GE/2JZ-GTE Single Valve Spring - Set of 16

$175.99 $202.96
Add to cart
Add to wishlist
$232.99
Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16
  • Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Toyota Supra 2JZ-GE/2JZ-GTE Dual Valve Spring - Set of 16

$232.99 $275.10
Add to cart
Add to wishlist
$342.99
Supertech Volkswagen R32 VR6 Dual Valve Spring - Set of 24
  • Supertech Volkswagen R32 VR6 Dual Valve Spring - Set of 24
Sale -17%
Supertech

Supertech Volkswagen R32 VR6 Dual Valve Spring - Set of 24

$342.99 $412.64
Add to cart
Add to wishlist
$232.99
Supertech Toyota 4AGE 16V Dual Valve Spring - Set of 16
  • Supertech Toyota 4AGE 16V Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Toyota 4AGE 16V Dual Valve Spring - Set of 16

$232.99 $275.10
Add to cart
Add to wishlist
$222.99
Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16
  • Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16
Sale -15%
Supertech

Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OE...

$222.99 $261.95
Add to cart
Add to wishlist
$232.99
Supertech Mitsubishi 4G63 2.0T DOHC Dual Valve Spring - Set of 16
  • Supertech Mitsubishi 4G63 2.0T DOHC Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Mitsubishi 4G63 2.0T DOHC Dual Valve Spring - Set of 16

$232.99 $275.10
Add to cart
Add to wishlist
$346.99
Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16
  • Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16
Sale -17%
Supertech

Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16

$346.99 $417.45
Add to cart
Add to wishlist
$251.99
Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16
  • Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16
Sale -15%
Supertech

Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3...

$251.99 $297.87
Add to cart
Add to wishlist
$251.99
Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16
  • Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16
Sale -15%
Supertech

Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Ra...

$251.99 $297.87
Add to cart
Add to wishlist
$287.99
Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16
  • Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16
Sale -16%
Supertech

Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16

$287.99 $343.70
Add to cart
Add to wishlist
$232.99
Supertech Honda K20/K24 Dual Valve Spring - Set of 16
  • Supertech Honda K20/K24 Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Honda K20/K24 Dual Valve Spring - Set of 16

$232.99 $275.10
Add to cart
Add to wishlist
$342.99
Supertech BMW M50/M52/S50/S52 Dual Valve Spring - Set of 24
  • Supertech BMW M50/M52/S50/S52 Dual Valve Spring - Set of 24
Sale -17%
Supertech

Supertech BMW M50/M52/S50/S52 Dual Valve Spring - Set of 24

$342.99 $412.64
Add to cart
Add to wishlist
$232.99
Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16
  • Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16

$232.99 $275.10
Add to cart
Add to wishlist
$175.99
Supertech Honda D16A/D15B Single Valve Spring - Set of 16
  • Supertech Honda D16A/D15B Single Valve Spring - Set of 16
Sale -13%
Supertech

Supertech Honda D16A/D15B Single Valve Spring - Set of 16

$175.99 $202.96
Add to cart
Add to wishlist
$175.99
Supertech Honda D16Z6/D16Y6/D16Y7/D16Y8/D15B/D17A Single Valve Spring - Set of 16
  • Supertech Honda D16Z6/D16Y6/D16Y7/D16Y8/D15B/D17A Single Valve Spring - Set of 16
Sale -13%
Supertech

Supertech Honda D16Z6/D16Y6/D16Y7/D16Y8/D15B/D17A Single Valve Spri...

$175.99 $202.96
Add to cart
Add to wishlist
$232.99
Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16
  • Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16

$232.99 $275.10
Add to cart
Add to wishlist
$233.99
Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16
  • Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16
Sale -15%
Supertech

Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16

$233.99 $275.73
Add to cart
Add to wishlist
$484.99
Supertech BMW N54 Conical Valve Springs - Set of 24
  • Supertech BMW N54 Conical Valve Springs - Set of 24
Sale -18%
Supertech

Supertech BMW N54 Conical Valve Springs - Set of 24

$484.99 $589.17
Add to cart
Add to wishlist