GM Hemispherical Heads
Designed and Fully CNC Machined By Sonny's

2006 PRO MOD SAR 737 CU. IN. ENGINE 1420 RAW HP 2 NOS SYSTEMS- FIRST SYSTEM 375 HP SECOND SYSTEM 300 HP (2000 + HP ON TWO MODERATE SYSTEMS) 5.000” BORE SPACING SYMMETRICAL PORT WEDGE HEADED ENGINE

feature list

  • Sonny's fully in-house CNC ported Pro Mod symmetrical port heads
  • SAR Special Billet Aluminum 5.000 B.S. block with 1.000" raised cam
  • Bryant billet crank
  • BME 426 forged aluminum forged rods
  • Venolia P/M pistons(14.0 to 1 comp)
  • 1.094 tool steel taper-wall pins
  • C & A tool steel rings
  • Manley titanium valves & PSI springs
  • SAR shaft mounted rocker arm system w/one-piece rocker bar for endurance and needle bearing roller tips
  • Jesel keyed lifters
  • Sonny's custom 60 mm cam
  • Jesel Belt drive
  • Moroso 4-stage dry sump oiling system
  • Moroso vacuum system
  • ATI balancer
  • MSD crank trigger
  • SAR sheetmetal manifold with 4x2 linkage
  • Mezier high-flow electric water pump
  • SAR/BLP (4) 2 barrel split dominator carburetors
  • Sheetmetal billet rail valve covers
  • CSR Pro Series starter
  • Fuel lines with 4 port regulator for carburetion
  • Fuel lines and regulator for NOS
  • Two N.O.S. systems (installed)
  • Drilled and tapped for third system

Complete & Dyno Tested    $67,300.00

Additional Options
  • Third system (150 HP)
    		•

    $1,895.00