Aluminum LA block??

"A" Engine Aluminum Race Block

Designed and built for the serious Sprint Car and Drag racer, this Mopar Performance Parts "A" aluminum race block showcases the latest in technology. Knowing the racer's concern for weight and overall strength, this block was engineered using finite element analysis to optimize the design for weight savings of over 25 lbs. from the previous version. The following features set the Mopar block ahead of the competition:

· Six-bolt head design for superior gasket sealing and reliability at higher compression ratios (Note that a 4-bolt head can be installed)

· Full skirted "H" block design for the required strength and rigidity

· Pro Gram Engineering designed cross-bolted main caps exclusively for Mopar Performance Parts for added strength and weight savings

· Ductile iron dry cylinder liners

· High strength A1 studs, bolts, and attaching hardware

· "A" engine high camshaft location for longer strokes and reduced windage

· 50mm Roller bearing camshaft design for reduced friction (Requires P4876707 bearing set)

· 48° tappet angle for close to ideal valvetrain geometry

· Approximate weight - 95 lbs. To 100 lbs.

Blocks come in four standard heights 9.00", 9.10", 9.56", and 9.60" and a rough bore of 4.095". Various replacement sleeves are available to provide the builder with a range of bore capabilities to meet your requirements. All block packages include side washers, core plugs, pipe plugs, dowel pins and head stud attaching kits.

P5007271 9.600" Deck - Use with P5 Head - 4.09" unfinished bore
P5007533 9.00" Deck - use with P5 Head - 4.09" unfinished bore
P5249810 9.00" deck 4.09" unfinished bore
P5249811 9.10" deck 4.09" unfinished bore
P5249812 9.00" deck 4.00" unfinished bore
P5249813 9.56" deck 4.09" unfinished bore

P5007271 9.600" Deck - Use with P5 Head - 4.09" unfinished bore
P5007533 9.00" Deck - use with P5 Head - 4.09" unfinished bore

P4532865 Dry sleeve, ductile iron 9.10" deck (sold individually)
P4532866 Dry sleeve, ductile iron 9.00" deck (sold individually)
P5249984 Dry sleeve, ductile iron 9.56" deck (sold individually)

*Dry Sump design only - will not accept standard "A" - engine oil pan

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