Rocker Arm→GM Big Block V8

Part # & Price Description
MELMRK405
$19.95
Rocker Arm Kit for GM Big Block 454 7.4 1990 and earlier 19241

Rocker Arm for GM Big Block V8 7.4 454. Fits Gen 4 1990 and earlier engines.

If you don't know if you have a Gen 4 or not, a Gen 4 will have a fuel pump boss on the block itself.
Replaces Mercruiser: 19241
 
MELMRK653
$17.95
Rocker Arm Kit for GM Big Block V8 Gen. 5 MRK-653
Rocker Arm Kit for GM Big Block V8 Gen. V


 

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