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AFR LS3 Mongoose Cylinder Heads

AFR LS3 Mongoose Cylinder Heads

Fully Assembled

New! AFR LS3
260 Mongoose $2,599
Priced Per Pair

From AFR's Site:

AFR’s 260cc LS3 “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. They’re designed for 4.000 or larger bore applications up to 454 CI, operating up to 7000 RPM. Emmisons legal for 2008 to 2015 vehicles under CARB #D-250-5.

  • Porting:
  • Chambers:
  • Intake Port:
  • Exhaust Port:
  • Valve Angle:
  • Intake Valve:
  • Exhaust Valve:
  • Fully CNC Ported
  • 69cc (1)
  • 260cc Rectangle Stock Location
  • 95cc Stock Location
  • 12°
  • 2.165" 8MM Stainless
  • 1.600" 8MM Stainless
  • Springs:
  • Retainers:
  • Keepers:
  • Deck Thickness:
  • Head Bolt Pattern:
  • Valve Cover Bolt Pattern:
  • Minimum Bore Size:
  • 1.270" Hyd. Dual Roller
  • 7° Titanium
  • Bead Lock
  • .750"
  • 4 or 6 Bolt (2)
  • Center
  • 4.000"
Rocker Arms
GM LS Rockers w/Installed Trunion Kit (Includes Bolts) $425
Crower Stainless Steel Shaft Rocker System $Call
T&D Shaft Rocker System $Call
Gaskets - Fasteners
ARP Head Bolt Kit $195
ARP Metric Head Stud Kit (15 Bolt Heads) $295
Cometic MLS (Multi Layered Steel) Head Gaskets (.040/.045/.051 Thickness) Each$95
Cometic MLS (Multi Layered Steel) Head Gaskets (.060/.066 Thickness) Each$115