GM Performance Products

#24502650 Short-Deck Bowtie Race Block, 283 Main, 350 Bore Size

$4,177.58 $4,099.00
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Description

Description

283 Main, 350 Bore Size Short-Deck Bowtie Race Block
• CNC cast-iron competition block designed for drag racing, road racing or restricted oval track racing!
• 4-bolt steel mains, 20° splayed caps on center three mains
• 8.325" deck (Standard deck blocks are 9.025"), can be machined to 8.200" deck height
• Camshaft is raised 0.433" to 4.955"
• Cam bearing bores machined for 2.250" O.D. x 1.875 roller bearings
• 3.980" rough bore
• 4.185" max bore (minimum of .250" cylinder bore wall thickness)
• Integral oil restrictors
• Must use Big-Block water pump, must raise water pump with adapters for balancers larger than 6"
• Olds Aurora V-8 bell housing bolt pattern (12.25" max flywheel diameter)
• Lifter holes and cylinder head bolt holes are not drilled
• Will accept standard, SB2.2 and splayed valve lifter patterns
• Can be machined to accept any Small-Block Chevy cylinder head
• Shorter-than-production pushrods required
• Tested to over 800 horsepower!
• Water jacket core plugs are 1.5" press-in
• Oil galley plugs are AN O-ring style

 Specs:
Part Number: 24502650
Casting Number: 24502650C
Deck Height: 8.325"
Lifter Pattern: None
Cylinder Wall: Siamese
Bore Range: 3.980" - 4.185"
Main Bolt: 4
Main Bolt Degree: 20°
Cap Material: Steel
Crank Journal Size: 283
Oiling: Dry
Seal Type: 2 Piece
Max Stroke: 3.250"
Weight (lbs): 167
Max HP: 800
Usage: Pro

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