Butler Performance Inc. » Butler Performance
Butler Performance, a name synonymous with High Performance, specifically traditional Pontiac engines.
Butler Performance Categories
Pontiac V8 1970-1981 Firebird/Trans Am 2nd Gen F-Body
Order By Year — 1970-1981 Firebird/Trans Am 2nd Gen F-Body for Pontiac V8s
Parts for the 2nd Gen Firebird and Trans Am split by...More Details »
Pontiac V8 3" Main- Cast Crankshafts for 326/350/389/400/Aftermarket Blocks
New Casting, Known History — 3" Main- Cast Crankshafts for 326/350/389/400/Aftermarket Blocks for Pontiac V8s...More Details »
Pontiac V8 326 Blocks (336-382 cu.in.)
Small Block, Long Rod — 326 Blocks (336-382 cu.in.) for Pontiac V8s
The 326 is the small-displacement end of the Pontiac V8 family, and the...More Details »
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Pontiac V8 326 Pistons
Early Small Bore — 326 Pistons for Pontiac V8s
326 Pistons serve the smallest of the traditional Pontiac V8 bores. A 326 runs a 3.750" class bore, which is...More Details »
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Pontiac V8 350 Block
Small Bore, Long Legs — 350 Block for Pontiac V8s
The Pontiac 350 is the light end of the 3.00" main family, and it is the casting people reach for when the car...More Details »
Pontiac V8 350 Blocks (358-413 cu. In.)
350 to 407 — 350 Blocks (358-413 cu. In.) for Pontiac V8s
The Pontiac 350 shares the same block family as its bigger brothers, which is why a...More Details »
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Pontiac V8 350 Pistons
Small Bore, Big Choices — 350 Pistons for Pontiac V8s
350 Pistons are the small-bore end of the Pontiac V8 family, and the parts are not interchangeable with...More Details »
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Pontiac V8 389
Stock Appearance, Modern Insides — 389 for Pontiac V8s
A 389 Crate Engine Builder Kit is a complete Butler engine built on the GTO-era block and shipped unassembled....More Details »
Pontiac V8 389 Block
Watch The Compression — 389 Block for Pontiac V8s
389 Block kits serve the engine that built Pontiac's reputation, and it is the one block family where...More Details »
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Pontiac V8 389 Block
Keep the 389, Lose the Guesswork — 389 Block for Pontiac V8s
An assembled 389 short block is a finished bottom end: a machined 389 block with the crank, rods,...More Details »
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Pontiac V8 389 Block
Keep the Casting, Change Everything Else — 389 Block for Pontiac V8s
The 389 is the GTO-era block, and for a lot of owners keeping the correct casting in the...More Details »
Pontiac V8 389 Engine Rebuilder Assemblies- Stock Stroke
Put It Back Together Right — 389 Engine Rebuilder Assemblies- Stock Stroke for Pontiac V8s
389 Engine Rebuilder Assemblies...More Details »
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Pontiac V8 389 Pistons
Early or Late — 389 Pistons for Pontiac V8s
The 389 is the engine that built Pontiac's reputation, and it is the one displacement where the piston question...More Details »
Pontiac V8 389 Stroker Rotating Assemblies- Up to 4.250 Stroke
Cubic Inches from the Block You Have — 389 Stroker Rotating Assemblies- Up to 4.250 Stroke for Pontiac V8s
A 389...More Details »
Pontiac V8 389 Super Stroker Rotating Assemblies- Up to 4.500 Stroke
The Last Step on a 389 — 389 Super Stroker Rotating Assemblies- Up to 4.500 Stroke for Pontiac V8s
Super stroker...More Details »
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Pontiac V8 400
The Whole Range on One Casting — 400 for Pontiac V8s
The 400 is the block most Butler crate engines are built on, and the builder kits here span the widest range in...More Details »
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Pontiac V8 400 Block
Pick the Stroke First — 400 Block for Pontiac V8s
The 400 is the Pontiac block most people are actually holding, and an assembled 400 short block turns it into...More Details »
Pontiac V8 400 Block
From 406 To 495 — 400 Block for Pontiac V8s
400 Block kits are the most-built combination Butler sells, and the one with the most stroke options. A 400 block...More Details »
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Pontiac V8 400 Block
The Default Stroker Base — 400 Block for Pontiac V8s
The 400 is the block most Pontiac strokers get built on, and it has the widest range of anything Butler...More Details »
Pontiac V8 400 Engine Rebuilder Assemblies- Stock Stroke
Still a 400 When You Are Done — 400 Engine Rebuilder Assemblies- Stock Stroke for Pontiac V8s
400 Engine Rebuilder Assemblies...More Details »
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Pontiac V8 400 Pistons
Bore, Stroke and Compression — 400 Pistons for Pontiac V8s
400 Pistons decide the two numbers that matter most on a Pontiac 400 build: your finished bore and...More Details »
Pontiac V8 400 Stroker Rotating Assemblies- up to 4.250 Stroke
The 461 Road — 400 Stroker Rotating Assemblies- up to 4.250 Stroke for Pontiac V8s
This is the busiest shelf in the...More Details »
Pontiac V8 400 Super Stroker Rotating Assemblies- up to 4.500 Stroke
Past 480 Cubic Inches — 400 Super Stroker Rotating Assemblies- up to 4.500 Stroke for Pontiac V8s
Super stroker...More Details »
Pontiac V8 421 Blocks (427-489 cu. In.)
Keeping an Early Big Inch Alive — 421 Blocks (427-489 cu. In.) for Pontiac V8s
The 421 is an early big-inch Pontiac and a block worth...More Details »
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Pontiac V8 421 Pistons
Big Journal, Small Bore — 421 Pistons for Pontiac V8s
421 Pistons are their own problem. The 421 uses the big 3.25" main journal block but a smaller standard...More Details »
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Pontiac V8 428
Ship It in Pieces, Build It Right — 428 for Pontiac V8s
A Crate Engine Builder Kit is a complete Butler engine shipped unassembled: machined block, balanced rotating...More Details »
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Pontiac V8 428 Block
The Big-Journal Block — 428 Block for Pontiac V8s
The 428 is the big-journal factory Pontiac block: 3.25" mains and a larger standard bore than a 400, which is...More Details »
Pontiac V8 428 Block
Big Chambers, Big Stroke — 428 Block for Pontiac V8s
428 Block kits start from a different baseline than a 400. The 428 already came with a 4.000" stroke crank...More Details »
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Pontiac V8 428 Block
The Big-Journal Block — 428 Block for Pontiac V8s
The 428 is the big-journal block from the tail end of the muscle car years — a 3.25" main casting like...More Details »
Butler Performance Products
Description: 7/16 Rocker Arm Stud and Polylock Upgrade Kit (Set/16)
Item #: BPI-Upgrade-Rocker-Studs-Polylock-350-455
Condition:
New
Price: $80.95
Description: 7/16 Rocker Arm Stud and Lock Nut Upgrade Kit for 1961-1966 389-421 Heads (Set/16)
Item #: BPI-Upgrade-Rocker-Studs-389-421
Condition:
New
Price: $82.95
Description: 7/16 Rocker Arm Stud and Lock Nut Upgrade Kit for 1967 and later heads (Set/16)
Item #: BPI-Upgrade-Rocker-Studs-350-455
Condition:
New
Price: $49.95
Description: 6061 Billet Aluminum. Multi Axis CNC Milled in our shop. Custom designed for the offset and elevation of stock and aftermarket blocks. Grooved posts grip distributor and bolt hole slotted for...More Details »
Item #: BPI-DC1
Condition:
New
Price: $29.95
Description: Bolt On Remote Oil Filter Bypass Kit
Item #: BPI-1011-Kit
Condition:
New
Price: $379.95
Description: Bolt On Remote Oil Filter Bypass Plate 1/2" pipe
Item #: BPI-1011
Condition:
New
Price: $59.95
Description: Works well when you need to space up your covers for rocker clearance or to run stud girdles. Now in 1/2"
Item #: BPI-1039T
Condition:
New
Price: $129.95
Description: Works well when you need to space up your covers for rocker clearance or to run stud girdles.
Item #: BPI-1039
Condition:
New
Not Available
***3-4 weeks ETA as of 9/17/2026***
Price: $119.95
Description: Pontiac Book- How To Restore Your 1964-1974 Pontiac GTO by Don
Keefe
Item #: BPI-SA218P
Condition:
New
Price: $28.95
Description: Pontiac Book-"How to Build Max-Performance Pontiac V-8s" *UPDATED* by Rocky Rotella
(This is an Updated step-by-step book loaded with how-to, tech tips and combinations for building your very own High Horse Power engine)
Item #: BPI-SA233
Condition:
New
Price: $26.95
Description: Pontiac Book-"How to Re-Build Pontiac V-8s" *UPDATED* by Rocky Rotella
(This is a step-by-step book with over 400 color photos and a bunch of helpful tip sections throughout the book. This will...More Details »
Item #: BPI-SA200
Condition:
New
Price: $22.95
Description: Bronze Valve Guides .535".342" X .564" X 2.280'' Pont. SD Cast Iron Heads
Item #: PEP-B228-29-16
Condition:
New
Price: $98.95
Description: Pontiac 350-455 Cam Bolt & Washer 1/2-20
Item #: BPI-Bolt-Kit-CAM
Condition:
New
Price: $13.95
Description:
6X Heads (other numbers available)
Milling optional / additional charge (let us know your desired compression ratio)
Completely ported and polished (starting...More Details »
Item #: CC-00155
Condition:
New
Please Call for Availability
Description: Cast Valve Guides 11/32(.342") ID - .502 OD - 2 3/8" Long/Pont. Cast Iron Heads (Set)
Item #: PEP-C5006B-16
Condition:
New
Price: $29.95
Description: Butler Pontiac Logo Hat / #6- Red White and Blue (Flexfit)
Retro Patch Look Logo
Item #: BPI-HAT-1513
Condition:
New
Price: $26.95
Description: Pontiac Clutch Fork Pivot Stud for Bellhousing, 1967-81
Item #: APE-R167CR
Condition:
New
Price: $14.95
Description: Pontiac Clutch Fork Pivot Stud for Block (GM)Z-BAR TO ENGINE 64-67, 73-77 (A-BODY)/71-74 (X-BODY) - CLUTCH COUNTERSHAFT TO ENGINE (GM)
Item #: APE-R167H
Condition:
New
Price: $37.95
Description: Pontiac Clutch Fork Pivot Stud for Block (GM)Z-BAR TO ENGINE 67-69 F-Body - CLUTCH COUNTERSHAFT TO ENGINE (GM)
Item #: APE-FR712P
Condition:
New
Price: $34.95
Description: Pontiac Clutch Fork Pivot Stud for Block (GM)Z-BAR TO ENGINE 70-81 F-Body - CLUTCH COUNTERSHAFT TO ENGINE (GM)
Item #: APE-FR713P
Condition:
New
Price: $34.95
Description: 1964-77 GM Ball Stud Clutch Z Bar To Frame Bracket
Item #: APE-R167F
Condition:
New
Price: $18.95
Description: Pontiac Clutch Install Kit includes pilot bearing, thrust bearing and pressure plate bolt kit
Item #: BPI-Clutch-Install-Kit
Condition:
New
Price: $94.95
Description: "Black" Billet Aluminum Push in Breather for Valve Covers
Fits valve covers with 1.25" hole using grommet # RPC-S4878 (1" ID/ 1.25" OD)
Pontiac CNC Logo engraved right here in our shop
Item #: BPI-S6001-PONT-BK
Condition:
New
Price: $59.95
Description: "Polished" Billet Aluminum Push in Breather for Valve Covers
Fits valve covers with 1.25" hole using grommet # RPC-S4878 (1" ID/ 1.25" OD)
Pontiac CNC Logo engraved right here in our shop
Item #: BPI-S6001-PONT-POL
Condition:
New
Price: $59.95
Pontiac Custom Fab Aluminum Valve Covers, Raw or Black, 2 3/4, Choose Your Options (Set) BPI-SVC-FAB
Description: Choose all your options to make a custom set of Valve Covers- Logo, Oil Fill, Breathers, and Locations
Hand Fabricated- Made in the USA
Oil Fill cap with installation now included
Item #: BPI-SVC-FAB
Condition:
New
Price: $519.95
Pontiac Custom Fab Aluminum Valve Covers, Raw or Black, 3 1/2, Choose Your Options (Set) BPI-TVC-FAB
Description: Choose all your options to make a custom set of Valve Covers- Logo, Oil Fill, Breathers, and Locations
Hand Fabricated right here in the USA
Oil Fill cap with installation now included
Item #: BPI-TVC-FAB
Condition:
New
Price: $549.95
Description: Pontiac D-PORT Stock Replacement Head Bolt Kit With Accessory Studs, 1965 Only (Will not work on 1966 Heads 092 & 093)
*must reuse stock head bolt for center exhaust bolt on if using with 1966 #092 and 093 heads*
Item #: ITU-13371
Condition:
New
Price: $128.95
Description: Pontiac Dipstick (no AC)
*17 3/4" long from top of bell to tip*
Item #: BPI-9405R-2
Condition:
New
Price: $22.95
Description: Pontiac Dipstick (no AC) RAW FINISH
*17 3/4" long from top of bell to tip*
Item #: BPI-9405R-1
Condition:
New
Price: $17.95
Description: Pontiac Dipstick Tube Installation Tool, Use with N304 or factory block dipstick tubes
Item #: BPI-1001
Condition:
New
Price: $11.95