AFR 230cc LSX Mongoose Strip Cylinder Heads 1660

5 out of 5 stars ( 1 )

Part Number: AFR-1660

$3,043.00

Cylinder Heads, 230cc LSX Mongoose Strip, Assembled, Aluminum, 65cc Chamber, Cathedral Port, Street Ported, Chevy, 6.0L/6.2L/7.0L Small Block LS, Pair
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AFR 230cc LSX Mongoose Strip Cylinder Heads 1660

AFR 230cc LSX Mongoose Strip Cylinder Heads 1660

AFR-1660

5 out of 5 stars ( 1 )

Part Number: AFR-1660

Estimated Ship Date from OH, TX: Monday 10/19/2026

$3,043.00

Estimated Ship Date from OH, TX: Monday 10/19/2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
1660
Part Type:
Product Line:
Summit Racing Part Number:
AFR-1660
Combustion Chamber Volume (cc):
65
Intake Runner Volume (cc):
230cc
Exhaust Runner Volume (cc):
85cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast aluminum
Camshaft Style:
Hydraulic roller
Intake Port Shape:
Cathedral
Intake Valve Diameter (in.):
2.080 in.
CNC-Machined Combustion Chamber:
Yes
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Combustion Chamber Style:
Heart
Intake Port Location:
Standard
Exhaust Port Shape:
Oval
Exhaust Port Location:
Standard
Spark Plug Style:
Angle
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in.):
0.650 in.
Outside Diameter of Outer Spring (in.):
1.270 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Titanium
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Cover Mounting Style:
Centerbolt
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
Valve Guide Material:
Bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold as a pair.
Notes:
Requires minimum 3.900 in. diameter bore size for intake valve clearance. These cylinder heads do not have provisions for perimeter bolt valve cover. Cylinder heads are street ported.

AFR 230cc LSX Mongoose Strip Cylinder Heads

Recommended for aggressive street/strip builds with displacements up to 427 c.i. operating at or below 7200 rpm. Capable of flowing 328 cfm at 0.650 in. lift with a 4.000 in. bore size. AFR street legal 230cc LS1 Mongoose strip cylinder heads are specifically designed for Gen III Chevy Corvettes, Camaros, and trucks. LSX cylinder heads offer unmatched flow performance and feature 2.080 in. intake and 1.600 in. exhaust valves with their ductile iron interlocking valve seats. Mongoose strip heads are available with 62cc, 65cc, and 72cc combustion chambers. Structural features like AFR's trademark 3/4 in. thick head deck, a must for blown and nitrous applications, reinforced rocker stud bosses, and thick wall runners provide unparalleled durability. An exclusive new modern combination chamber design with a double quench pad area helps the LSX generate huge low and mid-lift airflow numbers.

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