Heavy Duty Assembly, 631 Cid, Je 42cc

ROTATING ASSEMBLIES  |  Part# KIT-358504600

Out of Stock (call for ETA)

Southaven, MS

Required Assembly must be balanced by qualified machine shop before use!

Highlights:

• Heavy duty assembly
• displacement: 631
• pistons: JE
• dome volume: 42CC
• piston alloy: 2618
• bore size: 4.600"
• rings: 1/16", 1/16", 3/16"
• piston pin height:
• pin size: .990"
• stroke: 4.750"
• crank material: forged 4340
• rod length: 6.700"
• rod design: 4340 H-Beam
• rod bolts: 7/16" ARP 2000
• bearings: King XP
• damper included: no
• flexplate / flywheel included: no

4.750" FORGED 4340 CENTER COUNTERWEIGHTED CRANK,6.700" H-BEAM RODS,7/16" ARP L19 BOLTS,FORGED 2618 JE 42CC DOME 4.600" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING XP ROD/MAIN BEARINGS.