Re: Big Block Chevy Rocker Arms
"L" is correct "long slot" for L78, L72, L71. Part number 6258611 and 3860308. I have NOS "M" with part number 6258611. "H" is extra long slot L-88, ZL-1 part number 3959182. Original ones are raised letters, current "H" ones are stamped.
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1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3.36 Anti-Spin differential, California car, PS, PB, PW, AC, Jetfire 2 option package.
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