AFR - Airflow Research 1137-TI Eliminator NPP Race 245 cc Aluminum Cylinder Heads for Chevy Small Block Engines [70 cc]
033-1137-TI
Product Q&A
View Now
![1137-TI Eliminator NPP Race 245 cc Aluminum Cylinder Heads for Chevy Small Block Engines [70 cc]](http://www.jegs.com/images/photos/0/033/033-1137-ti.jpg "1137-TI Eliminator NPP Race 245 cc Aluminum Cylinder Heads for Chevy Small Block Engines [70 cc]")
Competition Package CNC Porting Eliminator Heads
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.
Specifications:
will this head go on a 2018 Cadillac ctsv
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.