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 Fits F-350 Model Years 1993-2010

Fits F-350 Model Years 1993-2010

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

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

Includes front shock extension brackets

2 Wheel Drive Only

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 Fits F-350 Model Years 1993-2010This 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