
Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-12480050
Chevrolet Performance Small Block Chevy Bow Tie Race Blocks
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- 283 Main, 350 Bore Size Medium-Deck Bow Tie Race Block
- CNC Cast iron competition block designed for drag racing, road racing or restricted oval track racing!
- 4-bolt SAE 8620 steel mains, 20 degree splayed caps on center 3 mains
- 8.700" deck (standard deck blocks are 9.025"), can be machined to 8.500" deck height
- Camshaft is raised 0.433" to 4.955"
- Cam bearings bores machined for 2.250" O.D. x 1.875 roller bearings
- 3.980" rough bore
- 4.190" max bore (minimum of .250" cylinder bore wall thickness)(siamese bore)
- Integral oil restrictors
- Must use big Block water pump, must raise water pump with adapters for balancers larger than 6"
- Standard Chevy bell housing bolt pattern
- 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
- Machined as 4.400" bore and main center, can be machined to 4.500" bore centers
- Shorter than production pushrods required
- Tested to over 800 horsepower!
BrandCHEVROLET PERFORMANCE
Package Height17.0
Package Width19.0
Package Length28.0
Weight231.0 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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