Skip to content

Top Sellers

Top Selling In Stock Items 

Filters

Original price $787.98
Original price $787.98 - Original price $787.98
Original price $787.98
Current price $630.99
$630.99 - $630.99
Current price $630.99

Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)

Supertech
Only 4 left!

Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)

Original price $787.98
Original price $787.98 - Original price $787.98
Original price $787.98
Current price $630.99
$630.99 - $630.99
Current price $630.99
Save 20% Save %
Original price $680.07
Original price $680.07 - Original price $680.07
Original price $680.07
Current price $544.99
$544.99 - $544.99
Current price $544.99

Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit

Supertech
Only 4 left!

Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit

Original price $680.07
Original price $680.07 - Original price $680.07
Original price $680.07
Current price $544.99
$544.99 - $544.99
Current price $544.99
Save 20% Save %
Original price $752.12
Original price $752.12 - Original price $752.12
Original price $752.12
Current price $601.99
$601.99 - $601.99
Current price $601.99

Supertech Mitsubishi 4G63 Dual Valve Spring Kit

Supertech
Only 2 left!

Supertech Mitsubishi 4G63 Dual Valve Spring Kit

Original price $752.12
Original price $752.12 - Original price $752.12
Original price $752.12
Current price $601.99
$601.99 - $601.99
Current price $601.99
Save 20% Save %
Original price $799.52
Original price $799.52 - Original price $799.52
Original price $799.52
Current price $639.99
$639.99 - $639.99
Current price $639.99

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

Supertech
Only 2 left!

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

Original price $799.52
Original price $799.52 - Original price $799.52
Original price $799.52
Current price $639.99
$639.99 - $639.99
Current price $639.99
Save 20% Save %
Original price $757.28
Original price $757.28 - Original price $757.28
Original price $757.28
Current price $606.99
$606.99 - $606.99
Current price $606.99

Supertech Honda F20/K20A2 Dual Valve Spring Kit

Supertech
Only 3 left!

Supertech Honda F20/K20A2 Dual Valve Spring Kit

Original price $757.28
Original price $757.28 - Original price $757.28
Original price $757.28
Current price $606.99
$606.99 - $606.99
Current price $606.99
Save 20% Save %
Original price $558.78
Original price $558.78 - Original price $558.78
Original price $558.78
Current price $447.99
$447.99 - $447.99
Current price $447.99

Supertech Nissan SR20DET Single Valve Spring Kit

Supertech
Only 1 left!

Supertech Nissan SR20DET Single Valve Spring Kit

Original price $558.78
Original price $558.78 - Original price $558.78
Original price $558.78
Current price $447.99
$447.99 - $447.99
Current price $447.99
Save 20% Save %
Original price $757.28
Original price $757.28 - Original price $757.28
Original price $757.28
Current price $606.99
$606.99 - $606.99
Current price $606.99

Supertech Honda F20/K20A2 Dual Valve Spring Kit

Supertech
in stock

Supertech Honda F20/K20A2 Dual Valve Spring Kit

Original price $757.28
Original price $757.28 - Original price $757.28
Original price $757.28
Current price $606.99
$606.99 - $606.99
Current price $606.99
Save 20% Save %
Original price $639.64
Original price $639.64 - Original price $639.64
Original price $639.64
Current price $511.99
$511.99 - $511.99
Current price $511.99

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

Supertech
Only 5 left!

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

Original price $639.64
Original price $639.64 - Original price $639.64
Original price $639.64
Current price $511.99
$511.99 - $511.99
Current price $511.99
Save 20% Save %
Original price $830.57
Original price $830.57 - Original price $830.57
Original price $830.57
Current price $664.99
$664.99 - $664.99
Current price $664.99

Supertech Honda K24Z7 Dual Valve Spring Kit

Supertech
Only 3 left!

Supertech Honda K24Z7 Dual Valve Spring Kit

Original price $830.57
Original price $830.57 - Original price $830.57
Original price $830.57
Current price $664.99
$664.99 - $664.99
Current price $664.99
Save 20% Save %
Original price $1,180.03
Original price $1,180.03 - Original price $1,180.03
Original price $1,180.03
Current price $944.99
$944.99 - $944.99
Current price $944.99

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

Supertech
Only 3 left!

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

Original price $1,180.03
Original price $1,180.03 - Original price $1,180.03
Original price $1,180.03
Current price $944.99
$944.99 - $944.99
Current price $944.99
Save 20% Save %
Original price $639.64
Original price $639.64 - Original price $639.64
Original price $639.64
Current price $511.99
$511.99 - $511.99
Current price $511.99

Supertech Honda H22 Dual Valve Spring Kit

Supertech
Only 1 left!

Supertech Honda H22 Dual Valve Spring Kit

Original price $639.64
Original price $639.64 - Original price $639.64
Original price $639.64
Current price $511.99
$511.99 - $511.99
Current price $511.99
Save 20% Save %
Original price $639.64
Original price $639.64 - Original price $639.64
Original price $639.64
Current price $511.99
$511.99 - $511.99
Current price $511.99

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

Supertech
Only 4 left!

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

Original price $639.64
Original price $639.64 - Original price $639.64
Original price $639.64
Current price $511.99
$511.99 - $511.99
Current price $511.99
Save 20% Save %
Original price $1,042.17
Original price $1,042.17 - Original price $1,042.17
Original price $1,042.17
Current price $833.99
$833.99 - $833.99
Current price $833.99

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

Supertech
in stock

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

Original price $1,042.17
Original price $1,042.17 - Original price $1,042.17
Original price $1,042.17
Current price $833.99
$833.99 - $833.99
Current price $833.99
Save 20% Save %
Original price $1,215.74
Original price $1,215.74 - Original price $1,215.74
Original price $1,215.74
Current price $972.99
$972.99 - $972.99
Current price $972.99

Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal)

Supertech
Only 5 left!

Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal)

Original price $1,215.74
Original price $1,215.74 - Original price $1,215.74
Original price $1,215.74
Current price $972.99
$972.99 - $972.99
Current price $972.99
Save 20% Save %
Original price $499.95
Original price $499.95 - Original price $499.95
Original price $499.95
Current price $400.99
$400.99 - $400.99
Current price $400.99

Supertech Sea-Doo 4TEC Dual Valve Spring Kit

Supertech
Only 3 left!

Supertech Sea-Doo 4TEC Dual Valve Spring Kit

Original price $499.95
Original price $499.95 - Original price $499.95
Original price $499.95
Current price $400.99
$400.99 - $400.99
Current price $400.99
Save 20% Save %
Original price $1,709.86
Original price $1,709.86 - Original price $1,709.86
Original price $1,709.86
Current price $1,368.99
$1,368.99 - $1,368.99
Current price $1,368.99

Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)

Supertech
Only 2 left!

Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)

Original price $1,709.86
Original price $1,709.86 - Original price $1,709.86
Original price $1,709.86
Current price $1,368.99
$1,368.99 - $1,368.99
Current price $1,368.99
Save 20% Save %
Original price $1,177.25
Original price $1,177.25 - Original price $1,177.25
Original price $1,177.25
Current price $942.99
$942.99 - $942.99
Current price $942.99

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

Supertech
Only 4 left!

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

Original price $1,177.25
Original price $1,177.25 - Original price $1,177.25
Original price $1,177.25
Current price $942.99
$942.99 - $942.99
Current price $942.99
Save 20% Save %
Original price $784.85
Original price $784.85 - Original price $784.85
Original price $784.85
Current price $628.99
$628.99 - $628.99
Current price $628.99

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

Supertech
Only 4 left!

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

Original price $784.85
Original price $784.85 - Original price $784.85
Original price $784.85
Current price $628.99
$628.99 - $628.99
Current price $628.99
Save 20% Save %
Original price $558.78
Original price $558.78 - Original price $558.78
Original price $558.78
Current price $447.99
$447.99 - $447.99
Current price $447.99

Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit

Supertech
Only 3 left!

Supertech Toyota/Lotus Elise 2ZZ Single Valve Spring Kit

Original price $558.78
Original price $558.78 - Original price $558.78
Original price $558.78
Current price $447.99
$447.99 - $447.99
Current price $447.99
Save 20% Save %
Original price $610.20
Original price $610.20 - Original price $610.20
Original price $610.20
Current price $488.99
$488.99 - $488.99
Current price $488.99

Supertech VW/Audi 2.0L FSI EA113 Single Valve Spring Kit

Supertech
Only 1 left!

Supertech VW/Audi 2.0L FSI EA113 Single Valve Spring Kit

Original price $610.20
Original price $610.20 - Original price $610.20
Original price $610.20
Current price $488.99
$488.99 - $488.99
Current price $488.99
Save 20% Save %
Original price $735.21
Original price $735.21 - Original price $735.21
Original price $735.21
Current price $588.99
$588.99 - $588.99
Current price $588.99

Supertech VW 2.5L 5cyl 20V Single Valve Spring Kit

Supertech
in stock

Supertech VW 2.5L 5cyl 20V Single Valve Spring Kit

Original price $735.21
Original price $735.21 - Original price $735.21
Original price $735.21
Current price $588.99
$588.99 - $588.99
Current price $588.99
Save 20% Save %
Original price $1,180.03
Original price $1,180.03 - Original price $1,180.03
Original price $1,180.03
Current price $944.99
$944.99 - $944.99
Current price $944.99

Supertech BMW S54 24V 3.2L Dual Valve Spring Kit

Supertech
Only 3 left!

Supertech BMW S54 24V 3.2L Dual Valve Spring Kit

Original price $1,180.03
Original price $1,180.03 - Original price $1,180.03
Original price $1,180.03
Current price $944.99
$944.99 - $944.99
Current price $944.99
Save 20% Save %
Original price $971.20
Original price $971.20 - Original price $971.20
Original price $971.20
Current price $777.99
$777.99 - $777.99
Current price $777.99

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit

Supertech
Only 3 left!

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit

Original price $971.20
Original price $971.20 - Original price $971.20
Original price $971.20
Current price $777.99
$777.99 - $777.99
Current price $777.99
Save 20% Save %
Original price $805.59
Original price $805.59 - Original price $805.59
Original price $805.59
Current price $644.99
$644.99 - $644.99
Current price $644.99

Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit

Supertech
Only 5 left!

Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit

Original price $805.59
Original price $805.59 - Original price $805.59
Original price $805.59
Current price $644.99
$644.99 - $644.99
Current price $644.99
Save 20% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare