65-90 BBC Timing Tab - 8in Balancer

The 65-90 BBC Timing Tab - 8in Balancer is an essential component for engine builders and performance enthusiasts focused on maintaining precise ignition timing for high-performance Big Block Chevrolet engines. This timing tab is specifically designed for engines manufactured between 1965 and 1990, providing a reliable reference point for accurate timing marks during tuning or routine maintenance.

Constructed from durable steel and finished with vibrant chrome plating, the 65-90 BBC Timing Tab is engineered to withstand the heat and vibrations typical in high-performance engine environments. The chrome finish enhances corrosion resistance and visibility when using a timing light, making it easier to work in dimly lit garages. This timing tab is precision-stamped to align with 8-inch outer diameter harmonic balancers, ensuring accurate degree markings without parallax error.

Ideal for classic restorations or dedicated track machines, this timing tab is compatible with Mark IV Big Block Chevy engines, specifically covering the popular 396, 427, and 454 cubic inch variants. Its bolt-on design provides a secure mounting solution that remains indexed even under high-RPM conditions, making it a crucial addition for maximizing horsepower and preventing engine damage.