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CNC Motorsports Boss 429 BBF Block
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CNC Motorsports Boss 429 BBF Block

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Boss 429 Aluminum Block
• Race or Standard
• Gas, Alcohol or Nitro
• Cast from 356T6 Aluminum Alloy
• 7075 Billet Alum. Main Caps (4 Bolt Steel Caps Optional)
• Deck Height from 9.800 to 12.000
• Bores from 4.250 to 4.650
• 5.000 Bore Spacing & Larger Bores Available
• Extra Wide Pan Rails and Crankcase
• Stock Mounting Holes
• Improved Oiling System
• Larger Main Webs
• Replaceable Pan Rails or Stock Pan
• Siamesed Lifter Bores
• Wet or Dry Blocks
• Solid and Water Heads Available
• Wedge and Hemi Heads
• Stock or Race Front & Rear
• Stock or External Oiling System
• Accepts Ford & Chrysler Bell Housings