AFR 245cc LSx Mongoose CNC Cathedral Heads, LS1/LS2 Applications
Regular price $3,299.99
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AFR 245cc LSx Mongoose CNC Cathedral Heads, LS1/LS2 Applications (PAIR)
Maximize 4.000 in. and larger bore combinations with AFR 245cc LSX Mongoose Strip cylinder heads. These aluminum cylinder heads feature 100 percent CNC-ported chambers, intake, and exhaust ports, and use A356 aluminum castings. They're also equipped with AFR's 3/4 in. thick deck and thicker port and combustion surfaces. designed for the LSX platform, these max effort cathedral port heads are recommended for race applications or radical "Pro Street" builds with displacements up to 454 cu. in., operating at or below 6800 rpm. Run AFR 245cc LSX Mongoose Strip cylinder heads—and get ready to devour a Cobra, Viper, or any other venomous contestant!
245cc Large Bore Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .550 | .600 | .650 | |
Int | 164 | 233 | 290 | 332 | 347 | 356 | 360 |
Exh | 131 | 185 | 227 | 247 | 249 | 257 | 267 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.155", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Specifications & Features: | |
Material |
A356 Aluminum
|
Intake Port Volume |
245cc
|
Intake Port Dimension |
3.315"H x 1.145"W x 11/32 top 13/32 bottom
|
Intake Port Location |
Stock
|
Exhaust Port Volume |
88cc
|
Exhaust Port Dimension |
1.495" H x 1.730" W
|
Exhaust Port Location |
Stock
|
Combustion Chamber Size |
65cc or 73cc
|
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 |
4.000"
|
Flat Mill - 65cc chamber |
.006" per cc 58cc Maximum
|
Flat Mill - 73cc chamber |
.006" per cc 65cc Maximum
|
Minimum Cross Sectional Area |
2.680 sq. in.
|
Spark Plug Dimensions |
14mm x .750" w/Tapered Seat
|
CARB Status: This product is not legal for sale or use on emission-controlled vehicles and intended for dedicated race vehicles only. |
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.