Right Rocker Arm, 1959-64 Oldsmobile 371 and 394 V8s Right rocker arm for 1959-64 Oldsmobile 371 and 394 V8 engines. Eight per car, sold each. Order RA591L for left rocker arm. One right and one left rocker arm used per cylinder.
Left Rocker Arm,1959-64 Oldsmobile 371, 394 V8 Left rocker arm for 1959-64 Oldsmobile 371 and 394 V8 engines. Eight per car, sold each. Order RA591R for right rocker arm. One left and one right rocker arm used per cylinder.