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New and improved IA II block at a new lower price.

 

3"  mains standard deck

 

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Retooled and re-cast blocks all issues of first run blocks are addressed. 

Water jacket modifications now bores greater than 4.25" can be used without any modifications
required to the water jackets. 

Siamese cylinder bores allow up to 4.400" bores with .230" wall thickness giving excellent cylinder integrity.

All steel  registered main caps including splayed  four bolt on the three center mains add rigidity.

Main webs thickened to the maximum space available for added strength.

Cam tunnels with enough meat to be taken out to big block Ford size for radical roller profiles.

Wider pan rails for better oil pan gasket sealing and gasket retention.

Thicker deck surfaces provide added strength and aid in cylinder head sealing.

Solid lifter galley with drilled oil returns prevent lifter bore breakage and add strength.

Improved oiling adds longevity and helps prevent front main bearing "starvation".

Redesigned cooling helps you keep your cool.

Bottom of the block is solid to the bend above the pan rail for added strength.

"Flats" at the back of the block provide a pick up point for special cooling situations.

Dual bell housing bolt patterns for both Pontiac and "corporate" housings.

Lifter bores are deeper to allow use of "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 exterior block walls 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.

Threaded front external oil passage for lubricating superchargers or turbo.

Block uses both standard Pontiac 2 bolt  & 3 bolt motor mount patterns fitting virtually all 1964+ later Pontiac V8 applications. 

Standard deck height block is available with 3"  mains. 3 1/4" available as an option.

Freeze plugs  screw-in style

 

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All prices are subject to change without notice