AFR - Airflow Research 245cc LSX Mongoose Strip Aluminum Cylinder Heads LS1 / LS2 / LS6 Chevy
033-1690
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73cc Combustion Chambers
LS1/LS2/LS6 Chevy 245cc 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, 2.165'' x 4.915'' 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 245cc LSX Mongoose Strip Head Specifications
- Head Torque: w/Moly Lube 11mm ARP 70 Ft. Lbs. / 8mm 23 Ft. Lbs.
- Intake Port Volume: 245cc
- Exhaust Port Volume: 88cc
- Exhaust Port Gasket: Fel Pro 375-1440
- >Head Gasket: Needs a 4.200'' Bore Gasket Recommend Cometic 245-H1069SP1040S
- Head 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: 73 cc
- Spring Pocket can be cut to 1.525, no deeper
- Valve Spacing: Stock
- Rocker Arms: Stock
- Valve Angle: Stock
- Flat Mill: .006'' per cc
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Specifications:
Part TypeMaximum Valve Lift0.65 in (16.51 mm)Package Depth8.80Package Height24.20Package Width12.20Part CategoryPerformance PartsPart FitmentSemi UniversalShipping Weight76.00Vendor Part Number1690 - Overview
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