Distributor Mechanical Advance Curve Kit Fits 1969-1974 GM Delco Distributors with 2 Weights Mr Gasket Engine and Components - Engine Internals Construction: Billet

Construction: Billet

305 / 55 with 20 x 9 and 5 in

The Revolve Light Pod also features a Max-Bright

500 inch Outer Diameter For GM 8

Distributor Mechanical Advance Curve Kit Fits 1969-1974 GM Delco Distributors with 2 Weights Mr Gasket Engine and Components - Engine Internals Construction: BilletOne 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. This kit includes three sets of springs which can be used in different combinations to