Originally Posted by stevesxm

BROWSE PRODUCTS
Gold Race Extruded Aluminum Roller Rocker Arms for LS1/LS6

Crane Cams Gold-Race, full-roller aluminum rockers for the LS1/LS6 engine family add up to 20 horsepower over stock! These rockers were designed for quiet operation and do not trigger the stock GM "Knock Sensor", which retards spark advance and reduces power output! They feature the exclusive Crane "Quick-Lift" design, which moves the valve off its seat quicker, initiating flow into the combustion chamber earlier, thereby increasing port efficiency and horsepower output! They are available in a complete kit (rockers, rocker studs, pushrod guideplates and pushrods) or separately, and are an easy bolt-on. They also clear stock Chevy LS1/LS6 rocker covers. Stock 1.7:1 and optional 1.8:1 ratios available.


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Originally Posted by pachangalpina

I know the drippers have to be removed but do you really have to change over to the old style gasket? The HP500/525 efi still uses the o-ring gasket with the crane rockers and I thought the covers were basically the same with the addition of that expensive blue paint. Also did you know the o-ring gasket was more expensive than the head gasket?