"MAMMOTH" PRO MOD 903 CU. IN. SEMI- HEMISPHERICAL 5.300" BORE SPACING

"GM SEMI-HEMISPHERICAL HEADED ENGINE"
1850 NATURALLY ASPIRATED (RAW HORSEPOWER)

(2450+ HP ON TWO MODERATE SYSTEMS)
FIRST SYSTEM 30N 28F / SECOND SYSTEM 32N 30F
Complete and Dyno Tested
PRICE $89,800.00
"MAMMOTH" PRO MOD 903 CU. IN. SEMI- HEMISPHERICAL 5.300" BORE SPACING - Sonny's Racing Engines & Components
Click image to enlarge
Picture may show optional equipment
Features:
  • Sonny's in-house fully CNC ported Pro Mod GM "Next Generation" Hemispherical cylinder heads
  • SAR special Billet aluminum 5.300 B.S. block with raised cam location
  • Bryant billet crank
  • GRP aluminum Billet rods
  • Sonny's/ BME Custom Pistons
  • 1.094 tool steel pins
  • Total Seal rings
  • Special titanium valves & PSI springs
  • SAR/ shaft mounted rocker arm system w/needle bearing roller tips
  • Keyed lifters 1-1/16"
  • Sonny's 70 mm cam
  • Jesel Belt drive
  • Moroso 4-stage dry sump oiling system
  • Moroso vacuum system
  • ATI balancer
  • MSD cranktrigger
  • SAR sheetmetal manifold with 4x2 linkage
  • (4) 2-barrel Braswell dominator carburetors
  • Sheetmetal billet rail valve covers
  • MSD Pro Series Starter
  • Fuel lines with 4 port regulator for carburetion
  • Fuel lines and regulators for Nitrous
  • Two Nitrous systems (installed)
  • Drilled and tapped for third system
Options:
Special Spray Bar for 3rd System $2,200.00
Dailey Lightweight Oiling System (save 14lbs) $1,200.00
Big Stuff EFI with Run Map $4,600.00
For Questions or Additional Information Call 434-239-1009 or Contact Us