Speed Pro Main Bearing - Standard - Mopar RB-Series Fuel Cell Filler Plate Gasket Utilizing a compression spring fitting

Utilizing a compression spring fitting allows plenty of movement to handle all types of abuse eliminating the possibilities of breakage

1986-1992 Jeep Comanche (Front)

Typical dyno tested horsepower gains average 10-15 and 15-20lb-ft of increased torque

The SSI-4 PLUS includes the SSI-4 PLUS

Speed Pro Main Bearing - Standard - Mopar RB-Series Fuel Cell Filler Plate Gasket Utilizing a compression spring fittingSpeed Pro Main Bearing Set 119M Competition Main Bearings Standard Size Tri Metal 3 4 Goove Chrysler 426 (Wedge Only) 440 (Set of 5) Best bronze alloy material Does not have flash tin plating Extreme fatigue resistance & strength 3 4 Grooved Silicon particles help polish crankshaft journal (reduces wear during operation)From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for