Rear Main Seal High Vacuum Fits Chevrolet Small Block with two-piece rear main seal. Recommended for use with external vacuum pump Mr Gasket Electrical & Ignitions - Ignition Coils - Ignition Coil Lead Wire Users can program them to

Users can program them to ascend in specific increments based on RPM range and flash when it is time to shift

2 Wheel Drive Only

All w/ D44 Rear Axle

and massive FK rod ends at the other to provide the best combination of free articulation and ride quality

Includes front shock extension brackets

Rear Main Seal High Vacuum Fits Chevrolet Small Block with two-piece rear main seal. Recommended for use with external vacuum pump Mr Gasket Electrical & Ignitions - Ignition Coils - Ignition Coil Lead Wire Users can program them toThis Mr. Gasket Rear Main Seal is made from Viton Rubber. This style of rubber can handle high temperature like silicone rubber, but with superior abrasion resistance. It's durability and design make it recommended for applications that have high engine vacuum, like racing engines that utilize external vacuum pumps for crankcase evacuation. Repairs That Leaky Rear Main Sail Vitonandreg Rubber Offers Both Abrasion Resistance and High Temperature