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  • PONTIAC 400-455 - 4340 - FORGED CRANK - (461CI, 488CI)

Assembly Number Notes:

  • All stroker kits include:
    Crank, Rods, Pistons, Rings & Bearings

  • BI = Balanced Internally
  • BE = Balanced External ( + Damper & Flexplate )
  • BIE = Balanced INT Front, EXT Rear ( + Flexplate )

If there is not an above balance designation on the assembly #, then the kit comes unbalanced but is a full kit which includes Crank, Rods, Pistons, Rings & Bearings.

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= Compression Ratios

 

PONTIAC 4340 FORGED ROTATING ASSEMBLIES

CI Crank # Crank Stroke Rod # Rod Length Piston (Type) Piston Bore 72CC 84CC Assembly # (see note) Price Qty
461 4-400P-4250-6700-2200 4.250" 2-454-6800-2200 6.800" Premium Forged (Flat) 4.155 11.9 10.6 1-41660
$1,790.70
461 4-400P-4250-6700-2200 4.250" 2-454-6800-2200 6.800" Premium Forged (Flat) 4.155 11.9 10.6 1-41660BI
$1,934.34
461 4-400P-4250-6700-2200 4.250" 2-454-6800-2200 6.800" Forged (Dish) 4.155 11.2 10.1 1-41661
$1,790.70
461 4-400P-4250-6700-2200 4.250" 2-454-6800-2200 6.800" Forged (Dish) 4.155 11.2 10.1 1-41661BI
$1,934.34
488 4-400P-4250-6700-2200 4.500" 2-454-6800-2200 6.800" Forged (Flat) 4.155 12.9 11.1 1-41670
$1,790.70
488 4-400P-4250-6700-2200 4.500" 2-454-6800-2200 6.800" Forged (Flat) 4.155 12.9 11.1 1-41670BI
$1,934.34
488 4-400P-4250-6700-2200 4.500" 2-454-6800-2200 6.800" Forged (Dish) 4.155 11.3 10.3 1-41671
$1,790.70
488 4-400P-4250-6700-2200 4.500" 2-454-6800-2200 6.800" Forged (Dish) 4.155 11.3 10.3 1-41671BI
$1,934.34
461 4-400P-4250-6800-2000 4.250" 2-454-6800-2200 6.800" Premium Forged (Flat) 4.155 11.9 10.6 1-41680
$1,880.29
461 4-400P-4250-6800-2000 4.250" 2-454-6800-2200 6.800" Premium Forged (Flat) 4.155 11.9 10.6 1-41680BI
$2,030.91
488 4-400P-4250-6800-2200 4.500" 2-454-6800-2200 6.800" Forged (Flat) 4.155 12.9 11.1 1-41681
$1,880.29
488 4-400P-4250-6800-2200 4.500" 2-454-6800-2200 6.800" Forged (Flat) 4.155 12.9 11.1 1-41681BI
$2,030.91


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You must specify Piston Bore Size at checkout.

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