| Competition assembly for Chevrolet LS-series or Pontiac LS-series
intended for internal balance
Bore Size: 3.905
Pistons and rings:
- Arias forged 4032 -3.1cc flat top
- ring size: 1.5mm 1.5mm 3.0mm
Crankshaft4.0000" stroke standard 4340 steel
Connecting rods6.200" standard H-Beam
BearingsClevite CB663H rod bearings, Clevite MS2199H main bearings
NOTES:Uses 24 tooth reluctor ring | 
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