
Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-12480157
400 Cast Iron Bow Tie Sportsman Competition Block (350 Mains)
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
400 Blocks
- 400 Bow Tie Sportsman Block
- CNC-machined cast iron competition block
- 4-bolt nodular mains (splayed caps on center 3 mains)
- 4.117" finished bore
- 350 Sized Mains
- Tall Lifter Bores
- 2-piece rear main seal
- The Chevrolet Bow Tie Sportsman Block has been the starting point for countless race engines. These iron blocks are available in a variety of finish options to build almost any engine combination. Most of these blocks are secured by Grade 8 bolts, and all blocks in this family have a 9.025" deck height. They're a great foundation for a serious street, circle track, or drag car that makes between 350 and 500 horsepower.Technical Notes
- Oil Dipstick Holes Not Drilled
- Timing System Clearance Must Be Checked
- Lifter Bores May Require Clearancing on Some Roller Lifters
Part TypeEngine Block
Product LineChevrolet Performance SBC Bow Tie Sportsman Engine Blocks
BrandCHEVROLET PERFORMANCE
Package Height15.5
Package Width21.0
Package Length30.0
Weight189.0 PG
Part CategoryPerformance Parts
Main Journal Type350 mains
Engine Block StyleStock/OEM standard deck
Engine Block MaterialCast iron
Cylinder Bore As Shipped4.117 in (104.572 mm)
QuantitySold individually
Raised Cam LocationNo
Freeze Plugs IncludedYes
Main Bolt Style4-bolt
Deck Height9.025 in (229.235 mm)
Main Bearings IncludedNo
Main Cap MaterialNodular iron
Rear Main Seal Style2-piece
Main Caps IncludedYes
Finished Cylinder BoresYes
Cylinder Bore Diameter4.155 in (105.537 mm)
Cam Bearings IncludedNo
Main Cap Fasteners IncludedYes
Vendor Part Number12480157
Package Qty1
Package TypeEA
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