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88958667 - Semi-Finished SB2.2 Design R0X Aluminum Cylinder Head

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Pricing: $1,687.51


  • Fully CNC-machined aluminum race head
  • Has cast ports and combustion chambers for professional finishing
  • Machined for 4.500" bore center R0X cylinder block P/N 25534453
  • Special spread head-bolt pattern, 3/8" fasteners, 19 holes
  • Machined with additional .070" material on deck face
  • Valve centerlines moved apart .100" for additional valve clearance and larger valves
  • Valve angles are 11° x 4° intake, and 7° x 2° exhaust
  • Exhaust port positions are slightly reoriented, but same bolt pattern as standard SB2.2
  • "As-cast peanut" intake and exhaust ports
  • 28cc "as-cast" combustion chambers
  • Application List



    Shipping Information

    • Item Requires Shipping
    • 28.0 lbs.
    • W8.7000” x H6.1000” x L21.5000”

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