AFR1840
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. This product is street legal in 50 states from 2007 to 2016 emission controlled vehicles with a General Motors 6.2L LS engine. AFR heads are available bare (without parts), call our tech line for details. Please see footnotes for additional information.
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
260cc
|
| Intake Port Dimension |
2.610"H x 1.300"W x 7/16° Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
95cc
|
| Exhaust Port Dimension |
1.540" H x 1.760" W
|
| Exhaust Port Location |
Stock
|
| Combustion Chamber Size |
69cc
|
| Valve Cover Bolt Pattern |
Center Bolt
|
| Valve Angle |
12°
|
| Valve Spring Pocket Diameter |
1.490" O.D
|
| Max Valve Spring Pocket Machining |
1.510" O.D
|
| Warning: Do not machine spring pad any deeper. | |
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.000"
|
| Flat Mill - 65cc chamber |
.006" per cc 62cc Maximum
|
| Minimum Cross Sectional Area |
2.875 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/ Tapered or Gasket Seat
|
| Carb EO# |
D-250-5
|
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor
$19.99 CAD | $24.99 CAD
Product title
Vendor