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Your cart is empty.Late 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 inch 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 inchwalk inch around on the head.
Nick Lees
Reviewed in Canada on January 30, 2024
Were as advertised , slight adjustments had to be made to fit but overall good product
Timm
Reviewed in the United States on June 29, 2023
Fit perfectly and work as advertised.
Jay N.
Reviewed in the United States on February 4, 2016
Works as intended.
Neal
Reviewed in the United States on September 12, 2015
Parts are great, only I had to enlarge the inner diameter on all of the intake valves due to oversize replacement guides.
Timothy D. Bishop
Reviewed in the United States on November 9, 2015
This product works great, right on the money
super sport 67/396
Reviewed in the United States on July 6, 2012
When changing cams in a 4th gen BB chevy, the stock rotators under the valve springs will not support the additional spring pressure of a higher lift cam requirement. These comp cam eliminators are solid and they replace the stock units perfectly. The tolerances and finish were impecable,they fit like a glove. I use comp cam products most of the time and recommend them, finding these on Amazon at such a great price was a bonus. The entire experience was without flaw.
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