Mr. Gasket Distributor Mechanical Advance Spring Kit - 925D power-steering-pumps-and-parts or the APR Intake Filter

or the APR Intake Filter System

1 L6 1970 - 1977 Pontiac LeMans Sport 350/5

Year Make Model Submodel Engine Size 1991 - 1995 Chevrolet C2500 454/7

38% Reduction in Shift Throw over Stock

Mr. Gasket Distributor Mechanical Advance Spring Kit - 925D power-steering-pumps-and-parts or the APR Intake FilterOverview: One of the best, and sometimes missed tuning tricks is not to just optimize your initial timing, but to bring in timing advance more quickly than the stock distributor can allow. Bringing timing more quickly than stock can provide substantial increases in both torque and horsepower depending on your combination. This is done by changing the springs under the cap with these lighter weight springs. Features: Brings in timing more quickly than