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IA II Standard Deck Block  
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IA II Pontiac Engine Block (side)

IA II Standard Deck Block
Standard Bore 4.345
3" Main
Price: $2,995.00 ea.
Part Number: APSJB
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We have one Tall Deck @ $3,195.00 with 3’’ mains, 4.345 bore, Big Cam and big Lifter bores left in stock on sale too. This has the std location on the cam so all timing covers will work. Bearings and bushings are extra.   Great deal!
  • Our IA II blocks are machined by one of
    the best aftermarket engine machine shops in the country.
  • All blocks are checked on a CNC coordinate measuring machine with-in process probing during manufacturing.
  • Every block is pressure tested and
    comes with a sonic test sheet.
  • IA II Blocks come with a full warranty
    for material and workmanship.*
Options:
  • Custom Bore Size - N/C
  • 3.250 Crank Journal - N/C
  • Bronze Lifter Bushings $250.00
  • Roller Cam Bearings $375.00

Finishing kit:
Includes all pipe plugs, 5/16 dowel pins and Standard screw in Freeze Plugs. $45.00

Oil Pump Drive Shaft included in price.

IA II “Strongest Aftermarket Pontiac Block” Features:
  • High Alloy Modified
  • ASTM class cast iron block
  • Siamese Cylinder bores
  • Four-bolt steel main caps
  • Main webs thickened to the
    maximum for added strength
  • Wider pain rails
  • Thicker deck surfaces
  • Improved Oiling
  • Solid Lifter gallery with drilled oil returns
  • Lifter feed oil holes tapped 1/4 - 20 for oil restrictors
  • Bronze lifter bushings optional
  • Redesigned cooling with added water
    holes in the back for better water flow
  • All blocks are dry decked
  • Threaded freeze plugs
  • Dual bell housing bolt patterns for both
    Pontiac and "corporate" transmissions
  • Bottom of cylinders are notched to clear
    strokes up to 4.75”, 5.0 stroke possible
    with some grinding
  • Motor mounts for the standard Pontiac
    5-bolt motor mount pattern
  • Accepts all OEM Pontiac parts
    plus many other improvements
   IA II Pontiac Engine Block
Part Number APSJB
Block Material ASTM Class 35 Cast Iron Tensile Strength 35,000 psi Copper, Chrome , Molybdenum, Vanadium, Nickel, Titanium (1) Brinell Hardness Testing
Cylinder Wall Type Siamese
Cylinder Wall Thickness .200 (2)
Deck Height 10.240"
Cylinder Bore Range 4.120" to 4.400"
Number Main Cap Bolts 4
Main Cap Bolts Dowel pinned and splayed
Main Cap Type Billet Steel
Cam Tunnel Options 50 mm or 55 mm
Crank Journal 3"
Crankshaft Seal 2 pc
Max Cylinder Stroke 4.75"
   
(1) A brinell hardness and tensile strength is check on every pour.
(2) .200 thick is a target thickness estimated only
* See our Conditions of Sale  page.

A sonic sheet is given with all blocks shipped.

We reserve the right to change the dimensions
of the block and materials without notice.
 

Packaging and Handling $4.95 each order
Plus shipping charges

Crating charge for overseas shipping is $125.00 per crate. F.O.B. point of shipment origin.