1962-1974 Chevy Corvette SB/BB Tach Drive V8 Engine

Description 1962-1974 Chevy Corvette SB/BB Tach Drive V8 Engine CNC-machined billet aluminum body and hardened steel shaft, with a sealed ball bearing on top and a sintered steel bushing on the bottom. It also comes with a fully adjustable mechanical advance, vacuum advance, magnetic pickup trigger, and a high-output circuit board module with digital tach output. – Fully adjustable mechanical advance – High output circuit board module with digital tach output – Ball bearing supported shaft for stability up to 10,000 RPM – Precision CNC machined body