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

2008 632 CU. IN. SAR/BRODIX 14.5 DEGREE PONTIAC HEADED ENGINE WITH 1X4 CARBURETION
1230 HP / 4.600 BORE X 4.750 STROKE

feature list

  • Dart Big "M" block with ARP Studs
  • Bronze lifter bushings installed
  • Crower Pro Series 4340 non-twist forged crank
  • BME 426 forging aluminum rods
  • Venolia Pistons
  • Speed Pro Rings
  • Clevite 77 rod and main bearings
  • Tool steel 1.031" tapered wall wrist pins
  • SAR/Brodix 14.5 degree Pro Stock style heads with Manley or
  • Stealth Titanium valves
  • SAR/T&D shaft mounted rocker system with one piece rocker bar
  • for endurance and needle bearing roller tips
  • Jesel belt drive
  • SAR 1X4 modified cast tunnel ram intake manifold
  • 1250 Holley HP series carburetor
  • Crane/SAR roller camshaft
  • Crower severe duty roller lifters
  • Moroso single stage external oiling system or internal titan pump
  • SAR vacuum system
  • ATI Balancer
  • Meziere hi-flow electric water pump
  • CSR Starter
  • MSD crank ignition

Complete & Dyno Tested    $33,390.00
Above with single plain cast manifold 1185 HP   $31,450.00

Additional Options

  • Donovan Aluminum Block
  • $3,885.00
  • Moroso 4-stage oiling system (Adds +25hp)
  • $2,257.00
  • SAR sheetmetal 2x4 intake(Add 65+hp)includes linkage and second carburetor
  • $2,495.00
  • Electronic Fuel Injection (sequential)
  • $5,040.00
  • NOS fogger system installed 250hp
  • $1,895.00
  • 2pc aluminum oil pan
  • $ 600.00