Butler Performance Inc. - 421 Blocks (427-489 cu. In.)

Rotating Assemblies & Stroker Kits - 421 Blocks (427-489 cu. In.)

Browse 421 Blocks (427-489 cu. In.) Products

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Description: Only available with New Forged Crank 4.000" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top Ross Pistons, Dish, or Dome Available Specify Desired...More Details »
Item #: BPI-4000-325-421
Condition: New
Price: $2,298.00

Description: New Cast or Forged Crankshaft 4.210" Stroke Choose Desired Bore Size and Ring Type Keith Black Icon Forged Flat Top or Dish Pistons Specify Desired...More Details »
Item #: BPI-4210-325-421
Condition: New
Price: $1,599.00

Description: New Cast or Forged Crank 4.210" Stroke Choose Desired Bore Size and Ring Type Custom Butler/Ross Forged -8cc Flat Top Ross Pistons Aftermarket 990 wrist...More Details »
Item #: BPI-
Condition: New
Price: $1,749.00

Description: New Forged Crank 4.500" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top Ross Pistons, Dish, or Dome Available Specify Desired Compression Ratio...More Details »
Item #: BPI-4500-325-421
Condition: New
Price: $2,448.00

Items 1-4 of 4

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