Competition SBF 351 Semi-Finished MB
SBF 460 Competition Machiend Block
Images are representational only.
 $799.99 

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Specification Overview

Sportsman Series
SBF 351: Semi-Finished Machined Block
4.025, 4.035, 4.055 Bore; 351 Windsor Mains
(.005" Available For Finish Honing)

  • Seasoned Ford production, factory roller, 2-bolt block
  • Block is oven baked and shot peened to settle molecular structure    
  • Magnafluxed for cracks and clearanced for strokers. Additional clearancing may be necessary depending upon your rod and stroke combination  
  • Blocks is precision machined on our 4-axis CNC equipment
  • Mains are line bored on our Winona Van Norman line boring equipment
  • Mains utilize ARP main studs and come equipped with a main girdle
  • Block ships with a machined block kit including: Cam Bearings, Freeze Plug Package, and Alignment Dowel Package