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very rough idle
1979-1992 GMC G1500
Designed and manufactured by Eaton exclusively for use with Aeroquip StartLite(R) lightweight hose
runout is minimized
Allstar Air Lift Jacks
COMP Cams Seat Spacer BB Chevy Exhaust .300" Thickness 935122 very rough idleLate model Big Block Chevrolet engines are originally equipped with exhaust valve rotators. Until now, the only way to make up for the rotator was to stack . 300" of shims under the spring. This was sloppy but also did not fit as well as these seat spacers. These will locate the spring with an outside step so the spring cannot "walk" around on the head. Avoid stacking . 300" of shims under the valve springs on your Big Block Chevrolet with our seat
US$ 291.90
US$ 27.50
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US$ 670.95
