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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:
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
Assemblies usually ship in 1-2 weeks with Ross .060 or Icon Pistons, Ross Custom 8-12 weeks
Price: $2,349.00
Description:
New Cast or Forged Crank 4.250" Stroke
Choose 4.150, 4.155, 4.160, 4.181" Bore
Custom Butler/Ross Forged -8cc Flat Top Ross Pistons (stocked), or your choice of custom...More Details »
Item #: BPI-460-467-428
Condition:
New
Usually ships in 1-2 Weeks
Price: $2,249.00
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-4250-325-428
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $2,449.00
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 9-10 weeks
Price: $3,149.00
Items 1-4 of 4