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

Browse 389 Blocks (395-480 cu. In.) Products

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Rotating Assemblies & Stroker Kits - 389 Blocks (395-480 cu. In.) - Butler Performance - Butler Performance 473-480 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.500" str.
Butler Performance 473-480 ci Balanced Rotating Assembly Stroker Kit, for 389 Block, 4.500" str.
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Description: New Forged 4340 Crank 4.500" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top Ross Pistons, Dish, or Dome Available Specify Desired Compression...More Details »
Item #: BPI-4500-300-389
Condition: New
Custom piston assemblies ship in 9-10 weeks
Price: $3,195.00


Rotating Assemblies & Stroker Kits - 389 Blocks (395-480 cu. In.) - Butler Performance - Butler Performance/Ross Custom Balanced Rotating Assembly, 3.750" str. for 389 Block
Butler Performance/Ross Custom Balanced Rotating Assembly, 3.750" str. for 389 Block
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Description: Cast or Forged Crank 3.750" Stroke Choose Desired Bore Size and Ring Type Ross Forged Flat Top, Dish, or Dome Pistons Specify Desired Compression Ratio...More Details »
Item #: BPI-3750-300-389
Condition: New
Custom piston assemblies ship in 9-10 weeks
Price: $2,349.00


Rotating Assemblies & Stroker Kits - 389 Blocks (395-480 cu. In.) - 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.
(0) Reviews: Write first review
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-4000-300-389
Condition: New
Custom piston assemblies ship in 9-10 weeks
Price: $3,195.00


Rotating Assemblies & Stroker Kits - 389 Blocks (395-480 cu. In.) - 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.
(0) Reviews: Write first review
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-4250-300-389
Condition: New
Custom piston assemblies ship in 9-10 weeks
Price: $2,349.00


Items 1-4 of 4