A precision-machined 4° offset cam key designed to fine-tune camshaft timing for increased torque and horsepower. By advancing or retarding the camshaft in small increments, this key allows you to tailor the engine’s powerband without replacing the entire timing set. Compatible with a wide range of domestic engines, including popular inline-six and V8 platforms.

• Offset: 4°
• Function: Adjusts cam timing to improve torque or horsepower
• Fitment:
– Ford inline 6-cylinder
– Chevrolet Small Block, Big Block, and inline 6-cylinder
– Chrysler 354–392 Hemi V8
– Pontiac 389–400 V8