AFR 205cc LS1 Mongoose CNC Cathedral Heads, LS1/LS2 Applications
Regular price $2,949.99
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AFR 205cc LS1 Mongoose Cathedral Heads, LS1/LS2 Applications (PAIR)
AFR 205cc LS1 Mongoose cylinder heads offer 301 cfm at .600 in. lift, an incredible 70 cfm increase over the stock casting, creating incredible port velocity and performance. These cylinder heads have 100 percent CNC-ported chambers, A356 aluminum castings, and high-quality components. Other structural features include Air Flow Research's trademark 3/4 in. thick head deck, reinforced rocker stud bosses, along with thick wall runners that provide unparalleled durability. An exclusive combustion chamber design with double quench pad area helps the LS engines generate huge low and mid-lift airflow numbers. Put the ferocity of a mongoose under the hood of your ride with these 205cc LS1 Mongoose cylinder heads from AFR.
205cc Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 147 | 214 | 249 | 284 | 296 | 301 |
Exh | 111 | 150 | 209 | 225 | 230 | 233 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Specifications & Features: | |
Material |
A356 Aluminum
|
Intake Port Volume |
205cc
|
Intake Port Dimension |
3.275"H x 1.120"W x5/16 top 3/8 bottom
|
Intake Port Location |
Stock
|
Exhaust Port Volume |
84cc
|
Exhaust Port Dimension |
1.415" H x 1.710" W
|
Exhaust Port Location |
Stock
|
Combustion Chamber Size |
66cc
|
Valve Cover Bolt Pattern |
Center Bolt
|
Valve Angle |
15°
|
Valve Spring Pocket Diameter |
1.510" O.D
|
Max Valve Spring Pocket Machining |
1.525" O.D
|
Deck Thickness |
.750"
|
Minimum Bore Diameter |
3.900"
|
Flat Mill |
.006" per cc 58cc Maximum
|
Minimum Cross Sectional Area |
2.185 sq. in.
|
Spark Plug Dimensions |
14mm x .750" w/Tapered Seat
|
CARB E.O. |
#D-250-4
|
Cancellations: Orders canceled before being shipped will be assessed a 5% cancellation fee. This is to cover the processing fees.
Returns: After 30 days of purchase products cannot be returned. Used products are sold as is and are not returnable. All returns must be made within 30 days of purchase, include original undamaged packaging, and are subject to a 20% restocking fee . To have a return authorized call during normal business hours. Shipping charges are not refunded. After the products installed or used in any way they can not be returned. Refunds usually post within one billing cycle to your account. Contact us for return information and to receive an authorization number. Returns without an authorization number will not be accepted and will be refused for delivery.
Damage Claims: Should you receive a package from us which appears to be damaged, notify the courier or freight company prior to accepting delivery.
Warranty: Products are only warranted by the manufacturer's warranty. All products are for Racing and Performance applications only. Many of our manufacturers offer NO WARRANTY on their products, either stated or implied, due to the unusual stresses placed on the parts and because we have no control over how they are installed and used. Many of these products are designed for off-road use only are are not legal for use on public highways.
Your dealership can not void your warranty for products that do not cause a failure. For legal information in regards to this click here.