Part Number
AFR-1680
AFR, LS1,LS2, Cathedral Port, Aluminum Heads, 245cc Intake Runner, 65cc Combustion Chamber, 2.165 Intake Valve 1.600 Exhaust Valve, Designed for 4.000+ Bore, Complete w/Parts
Special Price
$2,946.92
Regular Price
$3,069.71
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals.
For more information, go to www.P65Warnings.ca.gov.
Afr's max effort cathedral port head for the LS / LSX platform is recommended for race applications or radical "Pro Street" builds with displacements up to 454 cubic inches, operating at or below 6800 RPM. Requires a minimum bore size of 4.000" to clear the supplied 2.165" intake valve. Air Flow Research 245 LS head will help you deliver big power.
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, 2.165" 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, 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 2.200" O.D x 1.750" 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
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, 2.165" 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, 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 2.200" O.D x 1.750" 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
Price | $3,069.71 |
---|---|
Vehicle Make | Chevy LS |
Combustion Chamber Size | 65cc |
Cylinder Head Material | Aluminum |
Cylinder Head Style | Assembled |
Exhaust Valve Size | 1.600 |
Head Series | LSX Mongoose |
Intake Runner Size | 245cc |
Intake Valve Size | 2.165 |
Plug Style | Angle Plug |
Custom Notices | ⚠ PROP 65 WARNING |
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