AFR 1630 LS1 Mongoose Cylinder Heads

AFR designed these 1630 LS1 Mongoose Cylinder Heads specifically for aggresive street/strip build with displacements up to 427 cubic inches operating at or below 7200 RPM. These heads feature 100% CNC Ported Combustion Chambers, Intake and Exhaust Port, as well as a competition 5-angle valve job.

These heads are capable of flowing 328 CFM at 0.650" lift with a 4.000" bore size, and come assembled with PAC Racing springs as well as Viton valve seals. Machined bead valve locks (not stamped), hardened spring cups, as well as 8mm solid stem Bead Lock Stainless Steel valves included also.

For off road vehicle use only.

AFR 1630 LS1 Mongoose Cylinder Heads Features:

• Cylinder Head Material: Aluminum
• Assembled: Yes
• Spark Plug Angle: Angle
  
• Combustion Chamber Volume: 72cc
• Intake Runner Volume: 230cc
• Exhaust Runner Volume: 86cc
• Intake Port Shape: Cathedral
• Intake Port Location: Stock
• Exhaust Port Shape: Round
• Exhaust Port Location: Stock
• Valve Angle: 15 Degree
• Intake Valve Diameter: 2.080 in.
• Exhaust Valve Diameter: 1.600 in.
• Maximum Valve Lift: 0.650 in.
• Camshaft Style: Hydraulic Roller
• Outside Diameter of Outer Spring: 1.270 in.
• Valve Spring Pocket Diameter: 1.510 in.
• Maximum Valve Spring Pocket Machining: 1.525 in.
• Lock Style: 7 Degree
• Deck Thickness: 0.750 in.
• Retainer Material: Titanium
• Valve Cover Mounting Style: Center Bolt
• Sold as a pair
  

Established in 1970 in Valencia, CA, Air Flow Research is a family-owned and operated company building products for the Professional Racing in addition to Street markets. This includes racers, street performance fans, as well as everyone in-between. The Air Flow Research product lineup contains cylinder heads, intake manifolds, valves, gaskets, carburetor adapters as well as spacers, lifters, fasteners, and more.