These PBM Rotating Assemblies offer race proven quality components at a reduced package price. Forged 4340 crankshafts, H-beam rods, forged pistons and file fit rings are standard in these popular combinations.- 565 cubic inch
- 4.250 stroke x 4.600 bore
- PBM Forged 4340 Steel Crankshaft
- 6.385 H-beam rods
- Domed Forged PBM Pistons
- File Fit Plasma Moly Rings
Other Combinations Available - Custom Assemblies our Specialty - Please Inquire Hundreds of stroke & bore combinations available |