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Butler Performance, a name synonymous with High Performance, specifically traditional Pontiac engines.
Butler Performance Categories
Pontiac V8 428 Engine Rebuilder Assemblies
A 428 That Stays a 428 — 428 Engine Rebuilder Assemblies for Pontiac V8s
428 Engine Rebuilder Assemblies are the shelf for a 428 that is...More Details »
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Pontiac V8 428 Pistons
Stock Stroke and Stroker — 428 Pistons for Pontiac V8s
428 Pistons share a bore family with the 400 but not a stroke. The 428 came with a 4.000" stroke crank,...More Details »
Pontiac V8 428 Stroker Rotating Assemblies
Stroke on Top of Stroke — 428 Stroker Rotating Assemblies for Pontiac V8s
A 428 stroker starts from a block that already has stroke, so...More Details »
Pontiac V8 428 Super Stroker Rotating Assemblies
All the Stroke It Will Take — 428 Super Stroker Rotating Assemblies for Pontiac V8s
Super stroker is Butler's term for the longest...More Details »
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Pontiac V8 455
Big Block, Bigger Plan — 455 for Pontiac V8s
Starting a build on a 455 means you already have the bore and the 3.25" mains, so a Crate Engine Builder Kit is mostly...More Details »
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Pontiac V8 455 Block
The Most Cubic Inches Pontiac Ever Cast — 455 Block for Pontiac V8s
The 455 is the largest factory Pontiac V8, and it starts with the biggest bore and the 3.25"...More Details »
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Pontiac V8 455 Block
Start Big, Finish Bigger — 455 Block for Pontiac V8s
The 455 starts with more cubic inches than any other factory Pontiac block, so an assembled 455 short...More Details »
Pontiac V8 455 Block
462 To 501 Cubic Inches — 455 Block for Pontiac V8s
455 Block kits work with the largest factory Pontiac bore and the biggest main journals, which is why a 455...More Details »
Pontiac V8 455 Engine Rebuilder Assemblies- Stock Stroke
462 Cubic Inches Without Stroking It — 455 Engine Rebuilder Assemblies- Stock Stroke for Pontiac V8s
455 Engine Rebuilder...More Details »
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Pontiac V8 455 Pistons
Where the Cubic Inches Get Paid For — 455 Pistons for Pontiac V8s
The 455 is the biggest factory Pontiac V8, and the piston is what decides whether it comes...More Details »
Pontiac V8 455 Stroker Rotating Assemblies- Up to 4.250 Stroke
467 and Up — 455 Stroker Rotating Assemblies- Up to 4.250 Stroke for Pontiac V8s
Stroking a 455 is a different...More Details »
Pontiac V8 455 Super Stroker Rotating Assemblies- Up to 4.500 Stroke
Over 500 on a Factory Block — 455 Super Stroker Rotating Assemblies- Up to 4.500 Stroke for Pontiac V8s
A 4.500"...More Details »
Pontiac V8 500hp+ Pontiac Carbureted Muscle Car Engine on Pump Gas
The Classic Combination — 500hp+ Pontiac Carbureted Muscle Car Engine on Pump Gas for Pontiac V8s
This is the parts...More Details »
Pontiac V8 500hp+ Pontiac EFI Muscle Car Engine on Pump Gas
Fuel Injection Without the Fight — 500hp+ Pontiac EFI Muscle Car Engine on Pump Gas for Pontiac V8s
This is the same 500hp+...More Details »
Pontiac V8 600hp+ Torqstorm Supercharged Engine
Boost on Top of Cubic Inches — 600hp+ Torqstorm Supercharged Engine for Pontiac V8s
Boost on a Pontiac does not have to mean a race...More Details »
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Pontiac V8 64-72 GTO, Lemans, Tempest
A-Body Specifics — 64-72 GTO, Lemans, Tempest for Pontiac V8s
The 1964-72 GTO, LeMans and Tempest A-body has a quirk no other Pontiac chassis...More Details »
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Pontiac V8 67-69 Firebird/TA
First-Gen F-Body — 67-69 Firebird/TA for Pontiac V8s
The 1967-69 Firebird is the first-generation F-body, and it does not share a mount with the 1970-up...More Details »
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Pontiac V8 70-74 F-Body Firebird/TA
Early Second-Gen — 70-74 F-Body Firebird/TA for Pontiac V8s
The 1970-74 Firebird and Trans Am is the early second-generation F-body, and it sits...More Details »
Pontiac V8 700hp+ 535ci Pump Gas Engine w/ IAII Aluminum Block
New Block, Big Inches — 700hp+ 535ci Pump Gas Engine w/ IAII Aluminum Block for Pontiac V8s
This is Butler's 700hp+ 535...More Details »
Pontiac V8 700hp+ 535ci Pump Gas Engine w/ IAII Cast Block
Iron and Attitude — 700hp+ 535ci Pump Gas Engine w/ IAII Cast Block for Pontiac V8s
The IA II cast block is the iron...More Details »
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Pontiac V8 72-74 X-Body
The Shared Pattern — 72-74 X-Body for Pontiac V8s
The 1972-74 X-body is the Pontiac Ventura, and it is the odd one in the lineup: a compact that never got...More Details »
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Pontiac V8 75-81 F-Body Firebird/TA
Late Second-Gen — 75-81 F-Body Firebird/TA for Pontiac V8s
The 1975-81 Firebird and Trans Am uses a mount system of its own, and it is the...More Details »
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Pontiac V8 Accessories- Distributor Clamps, Wire Looms, Etc
The Parts That Finish the Job — Accessories- Distributor Clamps, Wire Looms, Etc for Pontiac V8s
These are the small...More Details »
Pontiac V8 Adapter Fittings
Making Two Threads Agree — Adapter Fittings for Pontiac V8s
Adapter fittings are the pieces that let an AN hose talk to hardware that was never threaded...More Details »
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Pontiac V8 Aftermarket Block
No Core, No Surprises — Aftermarket Block for Pontiac V8s
When the plan outgrows a factory casting, the aftermarket block is the answer. A new IA II...More Details »
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Pontiac V8 Aftermarket Block
Built To The Block — Aftermarket Block for Pontiac V8s
Aftermarket Block pistons are a different conversation than a factory Pontiac rebuild. An IA II...More Details »
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Pontiac V8 Aftermarket Block
Past The Factory Range — Aftermarket Block for Pontiac V8s
Aftermarket Block rings start where the factory Pontiac bore range ends. An IA II block gets...More Details »
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Pontiac V8 Aftermarket Block
Where Pump Gas Meets 700 Horsepower — Aftermarket Block for Pontiac V8s
When the target is 600 horsepower or more on pump gas , a forty-year-old factory...More Details »
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Pontiac V8 Aftermarket Block
Past the Factory Casting — Aftermarket Block for Pontiac V8s
There is a point where a factory Pontiac casting runs out of cylinder wall and main web, and...More Details »
Pontiac V8 Aftermarket Blocks (455-541 cu. In.)
No Factory Ceiling — Aftermarket Blocks (455-541 cu. In.) for Pontiac V8s
An aftermarket block removes the limits a factory Pontiac...More Details »
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