Air Flow Research AFR1845 260cc Mongoose Alloy Cylinder Heads 4-Bolt suit Gm LS Series LS3

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AFR - Air Flow Research

AFR1845
$6,387.95 AUD
$6,387.95 AUD
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Air Flow Research AFR1845 260cc Mongoose Alloy Cylinder Heads 4-Bolt suit Gm LS Series LS3

Item Description

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 aluminium 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.



Application: Chevy small block Gen III/IV 6.0L 6.2L 7.0L 

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 69
CNC-Machined Combustion Chamber: Yes
Intake Runner Volume (cc): 260cc
Exhaust Runner Volume (cc): 95cc
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Heart
Intake Port Shape: Rectangular
Intake Port Location: Standard
Exhaust Port Shape: Oval
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.165 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.650 in.
Outside Diameter of Outer Spring (in): 1.270 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Titanium
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Umbrella
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Valve Cover Mounting Style: Centerbolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 12
Exhaust Valve Angle: 12
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: No
Valve Seat Material: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold as a pair.
Notes: For 4.0 in. and larger cylinder bore. Designed for four bolt blocks. It's the customer's responsibility to verify proper piston to valve clearance.

Manufacturer Information

  • Manufacturer: AFR - Air Flow Research
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