Mr. Gasket Distributor Mechanical Advance Curve Kit - 928G coolant-bottles 1973-1974 GMC C35/C3500 Pickup

1973-1974 GMC C35/C3500 Pickup

7 V8 1977 - 1986 Chevrolet C10 305/5 V8 1975 - 1984 Chevrolet C10 250/4

Year Make Model Submodel Engine Size 2005 - 2009 Scion tC 2

Holley Fuel Bowl Screw Gaskets

Mr. Gasket Distributor Mechanical Advance Curve Kit - 928G coolant-bottles 1973-1974 GMC C35/C3500 PickupOverview: 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. This kit includes three sets of springs which can be used in different