These Dart/PBM Block and Rotating Assemblies offer race proven quality components at a greatly reduced package price. Dart Little M sportsman blocks, forged 4340 crankshafts, H-beam rods, forged pistons and file fit rings are standard in these popular combinations.- 383 cubic inch
- 4.030 bore x 3.750 stroke
- Dart Little M Sportsman Block - 9.025 deck
- 4340 Forged Crankshaft - 350 mains
- 5.700 in H-beam rods
- Forged Pistons - Flat Tops
- Comp ratio 58cc=11.8, 64cc=11.1, 76cc=10.1 to 1
- File Fit plasma moly rings
- Coated & grooved cam bearings
- Clevite H Series rod & main bearings
- Brass freeze plugs & steel cam plug
- Cam lock plate and bolts
Other Combinations Available - Custom Assemblies our Specialty - Please Inquire Hundreds of stroke & bore combinations available |