MR1-A
$4295.00
Call for shipping info and availability
Made from high quality 356 T6 heat treated cast aluminum
has thick deck (good for head gasket sealing).
Uses the best sleeves available.
Comes standard with splayed billet main caps.
No water jacket penetration at clutch ball.
capable of 4.350 bore and 4.500 stroke.
dual bell housing bolt pattern.
Uses Std. Pontiac roller lifters (Crower as well as other brands.
Std. Oil pump drive rod.
Press in freeze plugs ( No header freeze plug interference issues.
No oil pan clearance issues.
Correct water passages in deck, no drilling needed matches holes in head gaskets.
No timing cover fit issues.
Extras
3 inch or 3 1/4 main bore option no cost except if using 3 1/4 option block must be paid in full before machining starts.
50 mm cam bearings $125.00
50mm cam bore free upgrade
55mm cam bore upgrade $150.00
55mm cam bearings $150.00
Bronze lifter bore bushings $290.00 installed
.937 lifter bore upgrade $150.00 but only with the bronze lifter bore option
)
Made from 356 T6. heat treated Cast aluminum
has thick deck (good for head gasket sealing).
Comes standard with splayed billet main caps.
No water jacket penetration at clutch ball.
capable of large bore and stroke.
dual bell housing bolt pattern.
Uses Std. Pontiac roller lifters(Crower as well as other brands.
Std. Oil pump drive rod.
Press in freeze plugs ( No header freeze plug interference issues.
No oil pan clearance issues.
Correct water passages in deck, no drilling needed matches holes in head gaskets.
No timing cover fit issues.
Extras
50 mm cam bearings $125.00
50mm cam bore free upgrade
55mm cam bore upgrade $150.00
55mm cam bearings $150.00
Bronze lifter bore bushings $290.00 installed
.937 lifter bore upgrade $150.00 but only with the bronze lifter bore option
Stallion motor sports Maurice and Michael Campolucci are running a MR-1A in their RJ Pro Stock car. They are also running KRE High port heads .They currently have the worlds fastest naturally aspirated Pontiac powered door car.
)