Factory Mast Premium Rotating Assembly Kit.
For use with 6.2 Gen V LT RE-SLEEVE blocks & L8T/LTX Cast Iron Blocks
Looking for a premium product that supports high horsepower without sacrificing longevity and your wallet? Take all of the guess work out with our Factory Mast Premium Rotating Assemblies. Packaged with all the components you need to complete your Build, when choosing the Factory Mast Standard or Re-Sleeved Blocks.
100% made in USA - No Compromises
- Forged & REM Isotropic Polished GM Factory L8T Crank
- Main & Rod Journal Reground to Performance Tolerances
- Center Counterweight
- New Welded 58X Reluctor Wheel
- Forged Callies Connecting Rods, with ARP Bolts
- Factory Mast Pistons by Wiseco.
- Piston Rings
- Main Bearings
- Rod Bearings
- Assembly Lube
*** Must Use 8 bolt Flywheel or Flexplate
- Displacement: 427 Cubic Inches
- Bore Size: 4.175"
- Rod Type: Callies H Beam Rod, ARP Bolts
- Stroke: 3.900"
- Dry Sump
- Naturally Aspirated