Butler Performance Inc. » Butler Performance
Butler Performance, a name synonymous with High Performance, specifically traditional Pontiac engines.
Butler Performance Categories
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...More Details »
Butler Pontiac Power at its best. Butler Core or customer block making over 500hp and 515 lbs tq on pump gas. Features Butler/Ross rotating assembly with Eagle crank and Butler...More Details »
This beautiful build features a Sniper QJet EFI system with a March Black Onyx Serpentine System. It's internal components are a Butler Ross BU assembly 4.181" bore and 4.250" stroke with a...More Details »
This was a 600hp+ Pontiac 428 build using a supercharger from Torqstorm. Built on a Butler core or customer block. Also featured Ross custom pistons in 4.165" bore, Edelbrock D-Port CNC...More Details »
This build featured an IAII aftermarket black, Forged 4.5" stroke Crank, Custom Ross Pistons in 4.350" bore, Comp Solid Roller Cam, Edelbrock CNC Round Port Heads, Holley 950 Ultra XP Carb....More Details »
Choose from out of the box aftermarket assemblies to fully customizable Air CLeaner Assembly Kits exclusively from Butler Performance
Choose from out of the box aftermarket assemblies to fully customizable Air CLeaner Assembly Kits exclusively from Butler Performance
Butler Performance Products
Butler Performance Universal Pontiac Head Gasket, Fits all 64' and later 326-455 (Set/2) SPM-19375-2
Description: Universal Pontiac Head Gasket, Fits all 64' and later 326-455 Engines. For use up to 4.191" Bore
Item #: SPM-19375
Condition:
New
Price: $87.95
Description: Butler Performance Valley Cover Fastener Kit, 4pc
Hex Head Stainless Steel
Item #: ABO-Kit-VP
Condition:
New
Price: $5.19
Description: Butler Performance Valve Cover Fastener Kit, 16pc
Allen Head Stainless Steel
Fits Butler Fabricated and Moroso Fabricated Covers
Item #: ABO-Kit-VC-BP
Condition:
New
Price: $10.95
Description: Butler Performance Valve Cover Fastener Kit, 16pc
Hex Head Stainless Steel
Item #: ABO-Kit-VC
Condition:
New
Price: $10.95
Description: Butler Performance Valve Cover Stud Kit, 24pc
Hex Head Nut, Washer, and 1 1/2" stud
Item #: BPI-Bolt-Kit-VC
Condition:
New
Price: $12.95
Description: Water Pump Divider Plates for 1964-68 Timing Covers - STAINLESS (Set)
Item #: AAU-N140PF
Condition:
New
Price: $55.95
Description: Butler Performance Louvered Windage Tray Fastener Kit, 4pc
Item #: BPI-Bolt-Kit-WT2
Condition:
New
Price: $6.95
Description: Butler Performance Windage Tray Fastener Kit, 8pc
Item #: BPI-Bolt-Kit-WT1
Condition:
New
Price: $4.95
Description: A Butler/Ross custom balanced rotating assembly for the Pontiac 326 block, built on a 3.750" stroke around a true-Pontiac Ross forging and internally balanced in our shop.
Cast or Forged...More Details »
Item #: BPI-RA-3750-300-326
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,459.00
Description: A Butler/Ross custom balanced rotating assembly for the Pontiac 350 block, built on a 3.750" stroke around a true-Pontiac Ross forging and internally balanced in our shop.
Cast or Forged...More Details »
Item #: BPI-RA-3750-300-350
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,499.00
Description: A Butler/Ross custom balanced rotating assembly for the Pontiac 389 block, built on a 3.750" stroke around a true-Pontiac Ross forging and internally balanced in our shop.
Cast or Forged...More Details »
Item #: BPI-RA-3750-300-389
Condition:
New
Price: $2,599.00
Description: 1964-1967 326, 1964-1966 389, & 1967 350 and 400 11-bolt Timing Cover Conversion Kit, Non AC Only.
Item #: BPI-TC-11B-KIT-PHB-CRK
Condition:
New
Price: $819.95
Description: Butler's balanced 353-359 ci long-rod stroker assembly for the Pontiac 326 block — a 4.000" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4000-300-326
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $4,099.00
Description: Butler's balanced 376-382 ci long-rod stroker assembly for the Pontiac 326 block — a 4.250" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4250-300-326
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,149.00
Description: Butler's balanced 383-388 ci long-rod stroker assembly for the Pontiac 350 block — a 4.000" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4000-300-350
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $4,099.00
Description: Butler's balanced 407-413 ci long-rod stroker assembly for the Pontiac 350 block — a 4.250" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4250-300-350
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,179.00
Description: Turn a Pontiac 350 into a 407 with Butler's balanced long-rod stroker assembly. A 4.250" stroke on a .030"-over (3.905") bore, built around a true-Pontiac Ross forging and internally balanced in...More Details »
Item #: BPI-RA-407-300
Condition:
New
Ships in 1-2 weeks
Price: $2,579.74
Description: Butler's balanced 421-427 ci long-rod stroker assembly for the Pontiac 389 block — a 4.000" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4000-300-389
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $4,099.00
Description: Butler's balanced 433-440 ci long-rod stroker assembly for the Pontiac 428 block — a 4.000" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4000-300-428
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,999.00
Description: Butler's balanced 447-454 ci long-rod stroker assembly for the Pontiac 389 block — a 4.250" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4250-300-389
Condition:
New
Instock Pistons 2-3 weeks, 9-12 weeks for custom Pistons
Price: $2,599.00
Description:
New Cast or Forged Crankshaft 4.210" Stroke
Choose Desired Bore Size and Ring Type
Flat Top, Dome, or Dish Pistons
Specify Desired Compression Ratio...More Details »
Item #: BPI-RA-4210-325-421
Condition:
New
Icon piston assemblies usually ship in 1-2 weeks
Custom piston assemblies ship in 10-12 weeks
Price: $3,449.00
Description: Butler's balanced 455-481 ci long-rod stroker assembly for the Pontiac aftermarket block — a 4.000" stroke built around a true-Pontiac Ross forging and internally balanced in our shop....More Details »
Item #: BPI-RA-4000-300
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,999.00
Description: Butler's balanced 471-480 ci long-rod stroker assembly for the Pontiac 400 block — a 4.375" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4375-300-400
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,849.00
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-RA-4500-325-421
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,649.00
Description: Butler's balanced 482-511 ci long-rod stroker assembly for the Pontiac aftermarket block — a 4.250" stroke built around a true-Pontiac Ross forging and internally balanced in our shop....More Details »
Item #: BPI-RA-4250-300
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $2,999.00
Description: Butler's balanced 487-495 ci long-rod stroker assembly for the Pontiac 428 block — a 4.500" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4500-325-428
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,699.00
Description: Butler's balanced 487-495 ci long-rod stroker assembly for the Pontiac 400 block — a 4.500" stroke built around a true-Pontiac Ross forging and internally balanced in our shop. Nitrous-safe...More Details »
Item #: BPI-RA-4500-300-400
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,849.00
Description: Butler's balanced 511-541 ci long-rod stroker assembly for the Pontiac aftermarket block — a 4.500" stroke built around a true-Pontiac Ross forging and internally balanced in our shop....More Details »
Item #: BPI-RA-4500-300
Condition:
New
Custom piston assemblies ship in 9-10 weeks
Price: $3,999.00
Butler Performance Pontiac Solid Engine Mounts (Set) 67-69 Firebird and 72-74 X body, Set BPI-SM69-F
Description: Pontiac Solid Engine Mounts (Set) 67-69 Firebird and 72-74 X body / Catalina 389 cid (1965-66), Catalina 400 cid (1967-70) / Bonneville 389 cid (1965-66) Bonneville 400 cid (1968-70) **IA2 Blocks...More Details »
Item #: BPI-SM69-F
Condition:
New
Price: $84.95
Description: Pontiac Solid Engine Mounts (Set) 70-74 Firebird **IA2 Blocks Must Be Clearanced / Notched Higher To Fit**
Item #: BPI-SM75
Condition:
New
Price: $84.95