MR-1 Pontiac Block

MR-1 Pontiac Block on the CNC machine

$2,695.00 

in both 3" and 3.25" mains

Here are just some of the MR-1 Pontiac Block improvements over a stock block:

  • made from high quality cast iron
  • has a thick deck
  • comes standard with steel 4 bolt main caps 
  • there is no water jacket penetration at the clutch ball 
  • block is capable of large bore and stroke sizes
  • dual bellhousing bolt pattern
  • lifter galley is strengthened - no additional lifter bore brace is required

The aftermarket Pontiac MR 1 block was designed to accept ALL stock Pontiac parts! 

- Pontiac roller lifters (Crower as well as other brands)
- 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 and 55mm Cam Tunnel Option NOW AVAILABLE!

You can now order your MR-1 Block with a 50mm cam tunnel for an extra $135!  Boring the cam tunnel is $50 and a complete set of needle cam bearings costs $85.00.

Cam tunnel boring can be done at a cost of $150.00 (just boring) for all other blocks.

For more information check out www.mr-1.com