Mopar R3 434” short block – New!
All parts are brand new and have never been assembled. I purchased all items new years ago but never completed the project.
Tall deck Siamese bore R3 part # P4532909, all surfaces covered in grease, 340 mains, billet 4 bolt caps,, all machine work done, line honed, deck height set to 9.56, bored and honed with torque plates to 4.155, 59 degree lifters indexed and bushed
Rotating assembly is balanced and consists of:
Crank is Mopar 4” forged, rods turned to 2.100” and SBC width, then heat treated and nitrided
Dyers Top Rods 300m cryo treated 6.300” length with arp 2000 bolts
CP Pistons 4.155 bore with pins and rings, 0 deck height and dished, 10.75:1 compression with .040 gasket and Indy 360-1 heads (avail and posted separately) 4117DL casting
Main, Rod (clevite coated) and cam (durabond) bearings
ARP main stud kit
Precision oil pumps blueprinted m-72hv oil pump with stud kit
Stewart mechanical water pump
BHJ balancer





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