These Dart/PBM Block and Rotating Assemblies offer race proven quality components at a greatly reduced package price. Dart Big M sportsman blocks, forged 4340 crankshafts, H-beam rods, forged pistons and file fit rings are standard in these popular combinations. Blocks are clearanced for 4.500 stroke.- 540 cubic inch
- 4.500 bore x 4.250 stroke
- Dart Big M Sportsman Block - 9.800 deck
- 4340 Forged Crankshaft
- 6.385 in H-beam rods
- Forged Pistons - Dome or Flat Top
- File Fit plasma moly rings
- Cam bearings, rod & main bearings
- Freeze plugs
Other Combinations Available - Custom Assemblies our Specialty - Please Inquire Hundreds of stroke & bore combinations available |
