The Manley upgraded valve spring and titanium retainer set is a great choice for Subaru EJ20 / EJ25 engines with upgraded camshafts that require valve springs for increased lift and higher RPM use. The set combines Manley’s upgraded 245 lbs./in valve spring set (Part# 22180-16) with their matching titanium retainers (Part# 23180-16). The retainers are manufactured from heat treated aerospace grade titanium, then CNC machined to exacting tolerances for an excellent fit.
Valve Spring Specs:
Type: Single Conical Ovate Wire
Outer Diameter: 1.050″
Inner Diameter: .755″
Pressures: 60 @ 1.420″ / 151 @ 1.050″ / 187 @.895″
Stock Net Lift: .370″
Maximum Net Lift: .525″
Coil Bind: .845″
Rate lbs./in: 245
Quantity: 16
Retainer Specs:
Weight: 6 Grams
Valve Stem Diameter: 6.0mm
Valve Lock Degree: 6 Degrees
Dimensions: A= 1.050″ / B=.745″ / C= .515″ / Step= .100″
*Photos for marketing purposes only. Actual product may vary in appearance / style.