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Vehicle Info Needed230cc LSX Mongoose Strip Aluminum Cylinder Heads LS1 / LS2 / LS6 Chevy
Ships on 10/19/2026
Lowest Price Guarantee- 230cc LSX Mongoose Strip Aluminum Cylinder Heads
- LS1 / LS2 / LS6 Chevy
- 65cc Combustion Chambers
- Cathedral Style Intake Port
- CARB EO #D250-4
- Assembled
- Sold in Pairs, 2/pkg.
LS1/LS2/LS6 Chevy 230cc LSX Mongoose Basic Package Components 100% CNC Ported Combustion Chambers 100% CNC Ported Exhaust Ports 100% CNC Ported Intake Ports Competition 5-Angle Valve Job Intake Valve, 2.080' x 4.898' o.a.l. Exhaust Valve, 1.600' x 4.907' o.a.l. 1.270' OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650' maximum lift, max RPM 7000-7200 7° 1.250' Titanium Retainers 7° Valve Locks Viton Valve Seals Hardened Spring Cups Intake Valve Seats Exhaust Valve Seats Bronze Valve Guides LS1/LS2/LS6 Chevy 230cc LSX Mongoose Strip Head Specifications Head Torque w/Moly Lube 11mm ARP 70 Ft. Lbs. / 8mm 23 Ft. Lbs. Intake Port Volume 230cc Exhaust Port Volume 85cc Exhaust Port Gasket Fel Pro 375-1440 Head Gasket Fel Pro 375-1041
Cometic 033-6848Head Bolts & Studs Standard ARP Head Bolt Washers Standard ARP Shaft Mount Rocker Arms Yella Terra Ultralite p/n 033-6038 Suggested Manifold LS6 or FAST p/n 244-54039B Spark Plug Starting Range AC 41-974 Platinum Combustion Chambers 65cc Spring Pocket can be cut to 1.525, no deeper. Valve Spacing Stock Rocker Arms Stock Valve Angle Stock Flat Mill .006' per cc
The Ultimate Bolt-On Emission Legal Street/Strip Weapon!
For the maximum high performing street/strip LS1/LS2/LS6 aluminum cylinder heads, AFR's all new 230cc emissions legal cylinder head (CARB EO #D250-4) is hands down, the best choice. Specifically designed for 1997-up Gen-3 Chevy Corvettes, Camaros, and trucks. AFR's LSX cylinder head offers unmatched flow performance and features 2.080'' intake and 1.600'' exhaust valves with AFR's iron ductile interlocking valve seats.
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This 230cc cylinder head is ideal for normally aspirated 396-427ci and for a wild 346ci the 230 is a good choice, however some low RPM loss of torque might occur. The 230cc LSX is available with 62cc, 65cc, and 72cc combustion chambers. AFR's LSX is a direct bolt on, no special parts required. Structural features like Air Flow Research's trademark 3/4'' thick head deck, a must for blown and nitrous applications, reinforced rocker stud bosses and thick wall runners provide unparalled durability. An exclusive new modern combination chamber design with double quench pad area helps the LSX generate huge low and mid lift airflow numbers. .
Installation Notes: 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 LSX Mongoose Strip Cylinder Head Features:
- 100% CNC Ported Combustion Chambers
- 100% CNC Ported Exhaust Ports
- 100% CNC Ported Intake Ports
- Competition 5-angle Valve Job
- 230cc Intake Ports
- 85cc Exhaust Port
- Bead Lock Intake Valve, 2.080'' x 4.898'' Overall Valve Length
- Bead Lock Exhaust Valve, 1.600'' x 4.907'' Overall Valve Length
- PAC Racing Valve Spring: 1.270'' OD Hydraulic Roller Dual Valve Spring, 155 lbs on seat, .650'' maximum lift, Max RPM 7000-7200
- 7° 1.250'' Titanium Retainers
- 7° Bead Lock Valve Keepers
- Viton Valve Seals
- Hardened Spring Cup
- Intake Valve Seats
- Exhaust Valve Seats
- Bronze Valve Guides
