Mr. Gasket Harmonic Balancer Bolt and Washer Set - 946G holleyefi 4 V8 1988 - 1991

4 V8 1988 - 1991 GMC C3500 454/7

MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 53103 helps keep the check engine light off

875 Mounting Hardware Included Yes Heat Shield Attached No Substrate Material Ceramic Main Piping Diameter (In

5 V8 1969 - 1973 Mercury Monterey 429/7 V8 1972 - 1974 Mercury Monterey 460/7

Mr. Gasket Harmonic Balancer Bolt and Washer Set - 946G holleyefi 4 V8 1988 - 1991Overview: This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications. Features: These Are Have A Zinc Dichromate Finish Tall Hex Head Bolt To Prevent Slippage Extra Thick Parallel Ground Washer Washers Provides More Accurate And Uniform Torque Grade 8 Alloy Steel Application: Year Make Model