$$2,788.00In stockEngine \ Cylinder Heads \ Chevy Small Block Aluminum Heads1137-TI
AFR1137-TI
AFR 1137-TI SB Chevy 245CC/80CC Aluminum Head, 2.125/1.6 in. Valves, 70cc Comb. Each
AFR's largest and most powerful 60/40 head for the small block Chevy features 100% CNC machined intake runners, exhaust ports and combustion chambers. Capable of flowing 350 CFM at 0.800' of lift these heads come equipped with Titanium retainers and high quality components throughout, the 60/40 valve spacing which requires shaft mounted ...
Air Flow Research1137-TI SB Chevy 245CC/80CC Aluminum Head, 2.125/1

Air Flow Research

AFR 1137-TI SB Chevy 245CC/80CC Aluminum Head, 2.125/1.6 in. Valves, 70cc Comb. Each

$2,788.00

Item #: AFR1137-TI

Mfg Part #: 1137-TI

Shipping: Item will be shipped before or on 11/15/2019

Applies To Continental U.S. orders only

Quantity:

Qty Available: 2

Specifications
Cylinder Head specifications
Cylinder Head Style
Assembled
Cylinder Head Material
Aluminum
Cylinder Head Finish
Natural
Combustion Chamber Volume (cc)
70cc
CNC-Machined Combustion Chamber
Yes
Intake Runner Volume (cc)
245cc
Exhaust Runner Volume (cc)
80cc
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
Round
Exhaust Port Location
Raised
Spark Plug Style
Angled
Spark Plug Type
14mm Spark Plug, .750 Reach, 5/8 Hex
Intake Valves Included
Yes
Intake Valve Diameter (in)
2.125 in.
Intake Valve Angle
23
Exhaust Valves Included
Yes
Exhaust Valve Diameter (in)
1.60 in.
Exhaust Valve Angle
23
Valve Type
Stainless Steel
Valve Springs Included
Yes
Valve Spring Type
Single w/ Damper
Maximum Valve Lift (in)
.800 in.
Outside Diameter of Outer Spring (in)
1.550 in.
Damper Spring Included
Yes
Valve Spring Pressure Closed
250 lbs.
Valve Spring Pressure Open
650 lbs.
Retainers Included
Yes
Retainer Material
Titanium
Locks Included
Yes
Lock Style
10 Degree Titanium
Valve Stem Seals Included
Yes
Valve Stem Seal Style
Positive stop
Rocker Arm Studs Included
No
Rocker Arm Studs Size
7/16-20 in.
Rocker Arms Included
No
Rocker Arm Nuts Included
No
Guideplates Included
No
Valve Cover Mounting Style
Perimeter bolt
Accessory Bolt Holes Drilled
Yes
Valve Guides Included
Yes
Intake Valve Guide Material
Manganese Bronze
Exhaust Valve Guide Material
Manganese Bronze
Valve Seats Machined
Yes
Valve Seat Machine Style
5-angle
Valve Seat Material
Ductile iron
Steam Holes Drilled
No
Oiling Style
Through head
Machined for O-Ring
No
Heat Crossover
No
Quantity
Sold as a pair.
Applications
Make
Chevrolet
Engine Family
Chevy small block Gen I
Engine Size
5.4L/327-6.6L/400
Years
1962-1986
General
Brand
Air Flow Research
Item #
AFR1137-TI
Mfg Part #
1137-TI
Description

AFR's largest and most powerful 60/40 head for the small block Chevy features 100% CNC machined intake runners, exhaust ports and combustion chambers. Capable of flowing 350 CFM at 0.800" of lift these heads come equipped with Titanium retainers and high quality components throughout, the 60/40 valve spacing which requires shaft mounted rocker arms for optimum valve train geometry and extra machining for 3/8" pushrod clearance. NPP stands for "no pushrod pinch". AFR heads are available bare (without parts)

  • 2.125"/1.60" stainless valves
  • 80cc exhaust runners
  • .800" Max Lift
  • 245cc Intake Runners
  • 80cc Combustion Chambers
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