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GM Performance Parts Bowtie Sportsman Block - 350 Main, 4.125" Bore

Limited Supply: only 1 remaining
Availability: Same Day Shipping!
Shipping: Must Ship By Truck! Ships from Michigan
Was: $1,838.63
Sale: $1,824.87
Save: 1%
Save: $13.76

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Bare, cast iron, competition blocks are precisely machined, with four bolt, nodular iron main caps, tall lifter bores and extra smooth gasketsurfaces for superior sealing.


  • 350 Main, 400 Bore Size Bowtie Sportsman Block
  • 2-Piece Rear Main Seal
  • CNC-machined cast iron competition block
  • +/-0. 001 machining tolerances
  • 4-bolt nodular mains, splayed caps on center 3 mains
  • 4. 117 finished bore
  • 4. 155 max bore (siamese cylinder bores)
  • Extra smooth gasket surfaces for better seal
  • Tall lifter bores

    Pit Stop USA offers GM Performance Parts Bowtie Sportsman Block - 350 Main, 4.125" Bore 12480157 at low everyday prices. Be sure to check out all of our products from GM Performance Parts including GM Performance Parts Cast Iron Engine Blocks - Small Block Chevy.
  • Details

    • GMP12480157
    • GMP12480157
    • GM Performance Parts
    • Available
    • Same Day Shipping!
    • New

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