Butler Spring Kit, Comp Dual Valve Springs, Hyd Roller, Retainers, locks, seals, shims, Cast Iron Heads
Butler Spring kit with valve springs, retainers, locks, seals, shims and install tool. For Cast Iron Heads
Comp Dual Springs Set/16
for use with Hyd Roller Lifters and most stock Pontiac cast iron heads
155 @1.600 355 @1.050 (.550 lift), .980 Coil Bind
Advertised coil bind height- 1.020"
Actual coil bind height measured with 740-16 retainer- .980"
Recommended installed height when used with a hyd. flat tappet 115 @ 1.700
*Cutting valve seats may be required in a stock cast iron head*
Viton Valve Stem Seals w/install tool
Assortment of shims
- Item Requires Shipping
- 10.0 lbs.
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