AFR 1137-TI Eliminator NPP Race 245 cc Aluminum Cylinder Heads Features:

• 100% CNC Ported Combustion Chambers
• 100% CNC Ported Exhaust Ports
• 100% CNC Ported Intake Ports
• Competition 5-Angle Valve Job
• Intake Valve, 2.125' x 5.006' o.a.l.
• Exhaust Valve, 1.600' x 5.024' o.a.l.<
• 1.550' OD Solid Roller Dual Valve Spring, 250 lbs. on seat, .800' maximum lift, max RPM 8300-8500
• 10º Titanium Retainers
• 10º Valve Locks
• Viton Valve Seals
• Hardened Spring Cups
• Intake Valve Seats
• Exhaust Valve Seats
• Bronze Valve Guides

AFR 1137-TI Eliminator NPP Race 245 cc Aluminum Cylinder Heads Specifications:

• Head Torque w/Moly Lube 65-70 Ft. Lbs.
• Rocker Stud Torque 55 Ft. Lbs.
• Intake Port Gasket, 1.310' x 2.180' w/ 3/8' radius
• Fel-Pro 375-1206 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket
• Exhaust Port Gasket Fel Pro 375-1405
• Head Gasket 350 ci. Fel Pro 375-1004 400ci Fel Pro 375-1014
• Head Bolts, Studs Standard ARP
• Head Bolt Washers Manley Standard
• Suggested Manifolds:
  • AFR p/n 033-4801
  • AFR p/n 033-4802
  • Edelbrock Vic Jr p/n 350-2975
  • Super Victor p/n 350-2925
• Spark Plug Starting Range Autolite 3910
• Combustion Chambers 70cc
• Intake Port 245cc
• Exhaust Port 80cc+
• Spring Pocket can be cut to 1.680, no deeper
• Valve Spacing 60/40
• Shaft Mount Rocker Arms T&D .450' Offset w/.180' Offset Lifter - T&D .550' Offset w/Standard Lifter
• Valve Angle 23°
• Angle Mill .008' per cc
• Flat Mill .006' per cc
• NOTE: Flat and Angle mills might require a .120' thick head gasket.

FAQ

Are AFR heads street legal?

• Yes, many AFR heads, including the AFR 1137-TI, are emissions legal for street use when used with proper equipment.
• Always verify local regulations for compliance.

Are AFR heads made in USA?

• Yes, AFR heads are proudly manufactured in the USA, including the AFR 1137-TI, ensuring high-quality craftsmanship.
• Made with precision and expertise domestically.

What do performance cylinder heads do?

• Performance cylinder heads, like the AFR 1137-TI eliminator series, enhance airflow and combustion efficiency.
• They optimize power, torque, and overall engine performance.

Who makes Flo Tek heads?

• Flo Tek heads are produced by Flo-Tek, a separate manufacturer known for their own line of cylinder heads.
• These heads offer performance options but differ from AFR's offerings like the AFR 1137-TI.

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.

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