MR-1 Cast Iron Block $3,595.00 standard 3" mains MR-1A Aluminum Block $5,195.00 standard 3" mains Here are just some of the MR-1 Pontiac Block improvements over a stock block:
The aftermarket Pontiac MR 1 block was designed to accept ALL stock Pontiac parts! - stand oil pump drive rod - standard press in freeze plugs - NO OIL PAN FRAME RAIL CLEARANCE ISSUES! - All standard Pontiac cooling passages are present - No Timing cover issues 50 MM cam bearings - $250.00 50 MM cam bearing option - $300.00 upgrade 55 MM cam bearing option! - $350.00 upgrade 55 MM cam bearings! - $250.00 Bronze lifter bushing - upgrade - $520.00 installed .903 Lifter bore upgrade - $240.00 .937 Lifter bore upgrade - $240.00 |