Manley Performance Pushrod Length Checker - Small Block Chevy

- Long valves, milled heads, cut blocks, small base circle camshafts all move rocker geometry far from optimum

- Correct length pushrods keep rockers centered on the valve tip and reduce stem and guide wear

- Checker tells the engine builder instantly what length pushrod is required

- Small Block Chevys w/ 3/8" studs

- Quantity 1