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Butler Performance Inc. - Butler Custom Rotating Assemblies
Designed, built, tested and proven with years of experience and knowledge in the Pontiac high performance industry. Our assemblies are put together with parts selected and used specifically in Butler Engines. These assemblies come in various strokes and piston combinations for popular stock and aftermarkets heads.
Browse Butler Custom Rotating Assemblies Products
Items 1-4 of 4
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...More Details »
Item #: BPI-4000-325-428
Condition:
New
Custom piston assemblies ship in 10-12 weeks
Price: $2,749.00
Description:
New Cast or Forged Crankshaft 4.210" Stroke
Choose Desired Bore Size and Ring Type
Forged Flat Top or Dish Pistons
Specify Desired Compression Ratio...More Details »
Item #: BPI-4210-325-428
Condition:
New
Icon assemblies usually ship in 1-2 weeks
Price: $2,199.00
Description:
New Cast or Forged Crank 4.250" Stroke
4.155" Bore
Custom Butler/DSS Forged -8cc Flat Top Ross Pistons or Ross custom pistons
Aftermarket 990 wrist pins...More Details »
Item #: BPI-461-325-428
Condition:
New
Usually ships in 2-3 Weeks
Price: $2,099.00
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-4500-325-428
Condition:
New
Custom piston assemblies ship in 10-12 weeks
Price: $2,995.00
Items 1-4 of 4