Butler Performance Inc. - Butler Custom Rotating Assemblies

400 Blocks (406-495 cu. In.) - 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.

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Items 1-9 of 9
Description: New Cast or Forged Crank 4.250" Stroke 4.155" Bore Custom Butler/Ross Forged -8cc Flat Top Ross Pistons (stocked) Aftermarket 990 wrist pins...More Details »
Item #: BPI-461-300
Condition: New
Usually ships in 5-7 Business Days or sooner
Price: $1,749.00

Description: New Cast or Forged Crank 4.250" Stroke 4.181" Bore Custom Butler/Ross Forged -8cc Flat Top Ross Pistons (stocked) Aftermarket 990 wrist pins...More Details »
Item #: BPI-467-300
Condition: New
Usually ships in 5-7 Business Days or sooner
Price: $1,749.00

Description: New Factory Cast or Forged Crank 3.750" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top, Dome, or Dish Pistons Specify Desired Compression Ratio...More Details »
Item #: BPI-406-412C
Condition: New
.030" over usually in stock, .040-.060" special order 1-2 weeks
Price: $1,749.00

Description: New Forged Eagle 4.210" Stroke (440042106625) Choose Desired Bore Size and Ring Type Keith Black Icon Forged Flat Top or Dish Pistons Specify Desired...More Details »
Item #: BPI-4210-300F-400
Condition: New
Custom piston assemblies ship in 4-6 weeks
Price: $2,099.00

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
Condition: New
Price: $1,899.00

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-4000-300-400
Condition: New
Custom piston assemblies ship in 4-6 weeks
Price: $2,397.00

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-4250-300-400
Condition: New
Custom piston assemblies ship in 4-6 weeks
Price: $1,898.00

Description: New Forged Eagle Crank 4.350" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top Ross Pistons, Dish, or Dome Available Specify Desired Compression...More Details »
Item #: BPI-4350-300-400
Condition: New
Custom piston assemblies ship in 4-6 weeks
Price: $2,448.00

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-4500-300-400
Condition: New
Custom piston assemblies ship in 4-6 weeks
Price: $2,448.00

Items 1-9 of 9

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