Motorsports Unlimited
406 CID Forged Rotating Assembly, Dome Pistons, 5.700" H-Beam Rods, 4340 Forged Crankshaft
- SKU:
- MTR40057D
- MPN:
- MTR40057D
Description
Rotating Assembly Includes, Scat Forged Crankshaft, SRP Forged Pistons And Scat H-Beam Rods.
- Crankshaft: Scat / PBM
- Crankshaft Stroke: 3.750"
- Crankshaft Material : Forged 4340 Steel
- Journal Diameter: 350 Mains (2.450")
- Connecting Rods: Scat / PBM
- Connecting Rod Type: H-Beam
- Connecting Rod Size: 5.700"
- Wrist Pin: Floating
- Connecting Rod Material: Forged 4340 Steel
- Pistons: SRP
- Piston Size: 4.125" (other sizes available)
- Dome Volume: Dome +4cc
- Piston Material: Forged Aluminum
- Piston Rings: Mahle / PBM
- Ring Size: 1/16" 1/16" 3/16"
- Ring Fit: File Fit
- Ring Tension: Standard
- Ring Material: Ductile Iron Plasma Moly
- Main Bearings: KING HP
- Rod Bearings: KING HPN
- Balance: Internal
- Comp Ratio: (14.1 with 58cc) (12.9 with 64cc) (11.6 with 76cc)
- Rotating Assemblies Need To Be Finish Balanced!
- Some applications with 3.750" and longer stroke will encounter some clearance issues with the rods to the camshaft, this can be solved with a small base circle camshaft.