Speed Pro Main Bearing - Standard - Pontiac V8 113M Maglock QA1 engineered a unique torque

QA1 engineered a unique torque arm design that maximizes performance without the inherent binding issues of other systems

Air / Fuel Ratio Gauge

as well as Ethanol blended

Peltor connectivity

Speed Pro Main Bearing - Standard - Pontiac V8 113M Maglock QA1 engineered a unique torqueSpeed Pro Main Bearing Set 113M Competition Series Main Bearings Standard Size Tri Metal 3 4 Goove Pontiac 350 389 400 (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 industry