Valve Springs, Retainers

Supertech Mazda Miata 1.8L Single Valve Spring Kit

Supertech Mazda Miata 1.8L Dual Valve Spring Kit

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

Supertech Mazda Miata 1.6L Dual Valve Spring Kit

Supertech Mazda Miata 1.6L Single Valve Spring Kit

This shim kit contains .015", .030" and .060" thick Valve Spring Shims with 1.500" outside diameter and .645" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat...

This shim kit contains .015", .030" and .060" thick Valve Spring Shims with 1.640" outside diameter and .635"-.650" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat...

This shim kit contains .015", .030" and .060" thick Valve Spring Shims with 1.480" outside diameter and .765" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat...

This shim kit contains .015", .030" and .060" thick Valve Spring Shims with 1.437" outside diameter and .645" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat...

This shim kit contains .015", .030" and .060" thick Valve Spring Shims with 1.250" outside diameter and .814" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat...

Manley 7 Degree +.050in Height 16pc Steel 4140 Chromoly Steel Spring Retainers

Supertech BMW M54 16 Dual Valve Spring Kit

Supertech Audi 2.5T FSI Beehive Valve Springs - Single (D/S Only)

Brian Crower Toyota 4AGE Single Valve Springs

Manley Oval Track Chrome Silicone Outer w/ Damper 16pc Valve Springs 1.250 OD