AFR Mongoose 230CC LS1 CYLINDER HEADS
AFR Mongoose 230CC LS1 CYLINDER HEADS
Regular price
$2,955.73 USD
Regular price
Sale price
$2,955.73 USD
Unit price
per
Our 230cc LS1 MONGOOSE cylinder heads are recommended for aggressive street or street/strip builds with displacements up to 427 cubic inches operating at or below 7200 RPM. Capable of flowing 328 CFM at 0.650" lift with a 4.000" bore size.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length | |
8mm Bead Lock Exhaust Valve, 1.600" x 4.900" Overall Valve Length | |
PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650” maximum lift, Max RPM 7000-7200 | |
7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D | |
7° Bead Lock Valve Keepers | |
Viton Valve Seals .600" O.D x .495" I.D | |
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
*LSX bead locks and aftermarket bead locks are not interchangeable. GM made their bead lock radius and depth different. AFR locks are the same as GM LSX.
230cc Small Bore Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 157 | 224 | 272 | 311 | 320 | 324 |
Exh | 129 | 183 | 225 | 244 | 248 | 252 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Specifications & Features: | |
Material |
A356 Aluminum
|
Intake Port Volume |
230cc
|
Intake Port Dimension |
3.250"H x 1.115"W x5/16 top 3/8 bottom
|
Intake Port Location |
Stock
|
Exhaust Port Volume |
86cc
|
Exhaust Port Dimension |
1.385" H x 1.695" W
|
Exhaust Port Location |
Stock
|
Combustion Chamber Size |
62cc, 65cc, or 72cc
|
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 - 62cc chamber |
.006" per cc 58cc Maximum
|
Flat Mill - 72cc chamber |
.006" per cc 67cc Maximum
|
Minimum Cross Sectional Area |
2.425 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. |
Recommended Components: | |
Intake Port Gasket |
GM or FAST
|
Exhaust Port Gasket |
GM#12558573
|
Head Gasket for Small Bore |
Cometic 3.930 .040" or AFR #6846
|
Head Gasket for Large Bore |
Cometic 4.160 .040" or AFR #6848
|
Head Bolts (97-03) |
ARP 134-3609 or AFR #6330
|
Head Studs (97-03) |
ARP 234-4110 or AFR #6331
|
Head Bolts (04+) |
ARP 134-3610 or AFR #6334
|
Head Studs (04+) |
ARP 234-4317 or AFR #6335
|
Head Bolt Washers, Manley | |
Suggested Manifold |
FAST 90mm, 92mm, or 102mm
|
Spark Plug Starting Range |
NGK TR55
|