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Butler Performance
Butler Performance, a name synonymous with High Performance, specifically traditional Pontiac engines.

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389 Blocks (395-480 cu. In.) - 389 Stroker Rotating Assemblies - Butler Performance - Butler Performance 421-427 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.000" str.
Butler Performance 421-427 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.000" str.
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Description: New Forged Crank 4.000" 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-RA-4000-300-389
Condition: New
Custom piston assemblies ship in 9-10 weeks
Price: $3,849.00


389 Blocks (395-480 cu. In.) - 389 Stroker Rotating Assemblies - Butler Performance - Butler Performance 447-454 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.250" str.
Butler Performance 447-454 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.250" str.
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Description: New Cast or Forged Crank 4.250" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top Ross Pistons, Dish, or Dome Available Specify Desired...More Details »
Item #: BPI-RA-4250-300-389
Condition: New
Instock Pistons 2-3 weeks, 9-12 weeks for custom Pistons
Price: $2,449.00


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