PBM Rotating Assemblies use only race proven quality components for increased reliability at a bargain price. The cast steel cranks and I-beam rods are perfect for your street/strip powerhouse. Why regrind or resize at these prices.- 331 cid
- 3.250 stroke x 4.030 bore
- PBM Cast Steel Stroker Crankshaft
- 5.400 in I-Beam rods
- PBM Forged Flat Top Pistons
- Comp Ratio 10.4 @ 58cc / 9.7 @ 64cc / 8.6 @ 76cc
- File fit rings
Other Combinations Available - Custom Assemblies our Specialty - Please Inquire |