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Rotating Assembly-18deg-Balanced-SBC 421 cid, Forged Crank, H-beam Rod, Diamond Piston 13-1

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  • Rotating Assembly-18deg-Balanced-SBC 421 cid, Forged Crank, H-beam Rod, Diamond Piston 13-1

Rotating Assembly-18deg-Balanced-SBC 421 cid, Forged Crank, H-beam Rod, Diamond Piston 13-1

US421R-18-6B

Availability: In stock

$2,519.00
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Details

These USA Performance Parts 18 degree Rotating Assemblies offer race proven quality components at a reduced package price. Forged 4340 crankshafts, H-beam rods, forged pistons and file fit rings are standard in these popular combinations.

  • Fits 18 degree cylinder heads only
  • 415 or 421 cubic inch
  • 3.875 stroke x 4.125 or 4.155 bore
  • Scat Forged 4340 Steel Crankshaft
  • 350 or 400 mains
  • 6.00in H-beam rods w/ARP2000 bolts by Scat
  • Diamond 18 degree Flat Top Forged Pistons -6cc
  • Comp Ratio 13.0 @ 55cc
  • File Fit steel moly Rings .043 x .043 x 3mm
  • Clevite H-series rod & main bearings
  • Precision Balanced internally
  • Use 350 style balancer & flywheel

For BLOCK with ROTATING ASSEMBLY click here

Additional Information

Manufacturer USA Performance Parts