Enginetech ER668 Engine Rocker Arm for GM and Saturn Models Timing Chain Oil Pump Kit all with an outside diameter

all with an outside diameter of 3

The 2nd design cylinder head has 8 spark plug / double spark plug

With its precision engineering and comprehensive design

making it a valuable component for both professional rebuilders and enthusiasts

Enginetech ER668 Engine Rocker Arm for GM and Saturn Models Timing Chain Oil Pump Kit all with an outside diameterThe Enginetech ER668 Engine Rocker Arm is a high quality replacement component designed to restore optimal valve train function in a variety of GM and Saturn vehicles. Engineered specifically for engine rebuilders and DIY enthusiasts alike, this rocker arm ensures precise operation and durability. Its robust construction helps eliminate gaps in the valve train, promoting smooth engine performance and longevity. Whether you're working on a 2004