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

2006 784 CU. IN. "PRO MODIFIED MOUNTAIN MOTOR"
WITH SONNY'S DESIGN GM HEMISPHERICAL CYLINDER HEADS

784 CU. IN. ENGINE WITH 1600 HP N/A (RAW HP) @ 7700 RPM
DESIGNED FOR TWO NITROUS SYSTEMS @ 14.0 TO 1 COMP.
TWO SYSTEMS WITH 34 N JETS 600 HP + 1500 = APPROX. 2100 HP

784 CU. IN. ENGINE WITH 1525 HP N/A (RAW HP) @ 7700 RPM
DESIGNED FOR THREE NITROUS SYSTEMS @ 13.0 TO 1 COMP.
THREE SYSTEMS, TWO WITH 34 N JETS + 200 HP, THIrD SYSTEM = APPROX. 2200 HP

Special Features:

  •   Sonny's in-house fully CNC ported Pro Mod "Next Generation" Hemi cyl. heads
  •   SAR Special Billet Aluminum 5.000" B.S. block with 1.000" raised cam
  •   Bryant billet crank
  •   BME 426 aluminum forged rods
  •   Venolia pistons (14.0 to 1 comp)
  •   1.094 tool steel taper-wall pins
  •   Akerly & Childs tool steel rings
  •   Special titanium valves & PSI springs
  •   SAR shaft mounted rocker system with needle bearing roller tips
  •   Jesel keyed lifters
  •   Sonny's 60mm cam
  •  Jesel belt drive
  •   Moroso 4-stage dry sump oiling
  •   Moroso vacuum system
  •   ATI balancer
  •   MSD cranktrigger ignition
  •   SAR sheetmetal 4x2 intake with linkage
  •   SAR/BLP (4) 2 barrel split dominator carbs
  •   Sheetmetal billet rail valve covers
  •   Fabricated inlet Y water manifold
  •   Pro series CSI starter
  •   Fuel lines with 4 port regulator for carburetion
  •   Fabricated inlet Y water manifold
  •   Fuel lines and regulator for NOS
  •   Two or three SpeedTech nitrous systems (installed)
  •   Drilled and tapped for third system

Complete and Dyno tested! ------------------------$77,750.00
With 3 Nitrous Systems-----------------------------$79,000.00


With 3 Nitrous