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Butler Performance "Big Chief" IAII SOLID Aluminum Block, STD Deck ALL-BPI-ALB-SOLID

ALL-BPI-ALB-SOLID
Aluminum, 2SR Spriniam, spec AA356, heat treated to T6
No Water Jackets
Ductile Iron Sleeve Material
4.170 to 4.350" Bore
10.240" Deck Height
4 Billet Steel splayed Main Caps, registered and dowel pinned
3" Crank
Machined for 50mm Roller or 55mm Babbitt cam bearings
Machined for lifter bore bushings
Any OE or aftermarket 3" crank and Pontiac rear main seal
Availability: Shipping is delivered to a business address. Additional charges for residential or lift gate may apply
Pricing: $4,795.00

Customize Your Item

- Choose Cam Bearing Option -
 * required
- Choose Lifter Bore Bushings -
 * required
- Choose Sleeves -
 * required
Qty:

Description

AP/BUTLER PERFORMANCE Aluminum Pontiac Block-Std Deck

$1249 handling fee covers delivery to anywhere in Continental US

The IAII SOLID BLOCK undergoes the "HIP" process. HIP (Hot Isostatic Pressing) is a process that puts the material to a high temperature and high gas pressure simultaneously to eliminate air bubbles in the casting. The block is put in a 10-15,000 psi gas pressurized, 900 degree heated chamber for a period of time compressing the aluminum to give it a higher tensile strength than untreated aluminum.

Includes installed sleeves (can be ordered without sleeves)

All IAII Blocks include main caps and main studs

ALL THE FEATURES OF THE IA II CAST IRON BLOCK.... WEIGHS ONLY 138 LBS. / MAX BORE SIZE 4.350 /

Standard with every IA II block**
Siamese Cylinders: (Sleeves are 4.170" Bore if chosen in options)
All steel registered main caps: With splayed four-bolt pattern on the three center mains which adds rigidity
Block: Allows clearance for 4.750 stroke crank.
Main webs: Strengthened to maximum width possible.
Cam tunnels: Reinforced.
Wider pan rails: Provides better oil pan gasket sealing and gasket retention.
Thicker deck surfaces: Provides added strength and aids in cylinder head sealing
Solid lifter galley: With drilled oil returns that prevents lifter bore breakage and adds strength
Improved oiling: Front main oil feed, which adds longevity and helps prevent front main bearing "starvation".
Bottom of the block: Is solid to the bend, above the pan rail, for added strength
Dual bell housing bolt patterns: For both Pontiac and "corporate" housings.
Lifter bores are deeper to allow the use of standard type "corporate" lifters.
Bottoms of cylinders: Are notched to clear strokes up to 4.75". A 5.0" stroke is possible with some grinding.
Head bolt bosses: Are tied to cylinder walls and the exterior block walls are thicker for added strength.
Oil filter passages are threaded for easy remote filter mounting. Oil pump passages have corner plugs at 90-degree turns to reduce flow restriction. (Plugs are included with the kit.)
Threaded front external oil passage: for lubricating superchargers or turbos. The IA II Block uses standard Pontiac 5 bolt Motor mount pattern.
Standard deck height: IA II Blocks are available with 3"

No Water Jackets

Our IA II blocks are machined by one of the best aftermarket engine machine shops in the country. All blocks are checked out on a CNC coordinate measuring machine with-in process probing during manufacturing. We pressure test and sonic check every block. IA II Blocks come with a full warranty for material and workmanship.

Optional Finishing Kit (Plugs/Dowels Pins) for IA II Block Included
2- 1'' Flush Fit Pipe Plugs(SPE-1FP)
5- 1/2'' Pipe Plugs (568)
4- 3/8'' Pipe Plugs (554)
1- 3/8" Pipe Plug -Drilled (475)
1- 1/8'' Pipe Plugs (638)
1- 15/16'' Press-in Plug (EPC-39)
1- Cam Plug (EPC-112/STD) *OPTIONAL PIO-EPC92/50MM cam*
2- Drain Spigots
4- Dowels for Deck(MSC-06025068)
2-Bellhousing Dowel Pins(TCI-930055)
1-ALL-AP-OPS Front Oil Pan Spacer
2-SPE-1579D

Details

  • ALL-BPI-ALB-SOLID
  • ALL-BPI-ALB-SOLID
  • AllPontiac
  • Shipping is delivered to a business address. Additional charges for residential or lift gate may apply
  • New

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