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American performance collection

Valve Springs, Retainers.

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Sale

Supertech

Supertech Nissan RB26DET 24V Single Valve Spring Kit

$701.59 $876.74

Sale

Supertech

Supertech Mitsubishi 4G63 Dual Valve Spring Kit

$601.87 $752.12

Sale

Supertech

Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat)

$629.53 $786.68

Sale

Supertech

Supertech Hyundai 2.0L Turbo Theta L4 Dual Valve Spring Kit (Use OEM Seal-Seat)

$628.99 $786.01

Sale

Supertech

Supertech BMW S54 24V 3.2L Single Beehive Valve Spring Kit

$1,060.49 $1,325.23

Sale

Supertech

Supertech 02-07 Mini Cooper 1.6L Beehive Valve Spring Kit

$691.32 $863.90

Sale

Supertech

Supertech Honda LEA/L15A 4cyl 16V Honda CR-Z 1.5L LEA Single Valve Spring Kit

$622.05 $777.34

Sale

Supertech

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

$639.81 $799.52

Sale

Supertech

Supertech Nissan TB48 24V Single Valve Spring Kit

$847.22 $1,058.71

Sale

Supertech

Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss)

$532.46 $665.38

Sale

Supertech

Supertech Nissan SR20DET Dual Valve Spring Kit

$650.13 $812.42

Sale

Supertech

Supertech BMW S14 16V/S38 24V Dual Valve Spring Kit

$629.53 $786.68

Sale

Supertech

Supertech Honda F20/K20A2 Dual Valve Spring Kit

$606.00 $757.28

Sale

Supertech

Supertech Nissan TB48 24V Single Valve Spring Kit

$847.22 $1,058.71

Sale

Supertech

Supertech Nissan SR20DET Single Valve Spring Kit

$447.16 $558.78

Sale

Supertech

Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss)

$532.46 $665.38

Sale

Supertech

Supertech Nissan SR20DET Dual Valve Spring Kit

$650.13 $812.42

Sale

Supertech

Supertech Honda F20/K20A2 Dual Valve Spring Kit

$606.00 $757.28

Sale

Supertech

Supertech Nissan SR20DET Dual Valve Spring Kit

$650.13 $812.42

Sale

Supertech

Supertech Honda F20/K20A2 Dual Valve Spring Kit

$606.00 $757.28

Manley ID Valve Spring Locators 1.550in Spring OD 1.535in Cup OD .567in Cup ID (for 221432/221441P)

Sale

Manley Performance

Manley ID Valve Spring Locators 1.550in Spring OD 1.535in Cup OD .567in Cup ID (for 221432/221441P)

$108.14 $113.83

Sale

Supertech

Supertech Honda K24Z7 Dual Valve Spring Kit

$738.37 $922.70

Sale

Supertech

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

$629.53 $786.68

Sale

Supertech

Supertech Nissan KA24 Dual Valve Spring Kit

$585.42 $731.56