This auction is for a BRAND NEW PAIR of AFR Eliminator Chevy 227cc Fully CNC-ported cylinder heads with 65cc combustion chambers, IN STOCK, on OUR SHELVES!

AFR's 227cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This head features 60/40 valve spacing and requires shaft mount rocker arms for optimum valve train geometry (can be used with .050 offset intake rockers for drag race only applications). Component upgrade and machining options are available to customize AFR Heads to your specific build.

AFR Part # 1068

There are many different options available for AFR heads, please view the details section below for the details on these heads. Please contact us with questions or check our eBay Store for the many other AFR heads available, and options such as upgrading springs or retainers.

Timeless Design - The original AFR 60/40 Valve Spacing Head!
High flowing AFR 227cc intake port small block Chevy angle plug aluminum cylinder heads are available in three stages of performance. The Race Ready version features 100% CNC ported intakes while the higher flowing Competition Package features 100% CNC ported intakes with greater detail. Both come with 100% CNC ported 65cc or 75cc combustion chambers and 80cc exhaust ports with a 3/4" thick head deck (ideal for nitrous or blower applications). In addition AFR also offers the "as cast" Stage 1 heads for 227cc performance on a budget. Standard valves are lightweight 8mm 2.100" intake and 1.600" exhaust with AFR's hardened ductile iron interlocking valve seats. The 227 has 60/40 valve spacing and piston valve pockets should be checked. The exceptional flow characteristics and 23 degree valve angle make this the perfect head for 350 to 434 cid engines in drag cars, sprint cars, and late model oval trackers operating from 4500 rpm and up. The 227cc aluminum cylinder heads are available in either standard or spread port exhaust. AFR offset stud girdles are the only special parts required. Some applications require shaft mount rockers or .050 offset rocker arms for durability and reliability of valve train components. Standard rockers can be used but the intake rocker arm will be at a slight angle and the roller tip will not be perfectly centered on the valve tip. Not recommended for street use, unless a shaft mount rocker system is used. Dual valve cover bolt pattern is standard. The exhaust ports are raised .250" over a standard GM L-98 cylinder head.

Note:
2.100 valves will require aftermarket pistons notched for valve clearance.

Due to the large demand for AFR heads, AFR currently takes 3-4 weeks to build a set of heads. Contact us now to check if we have the heads you want sitting on our shelves!

Basic Package Components	Part #
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, 2.100" x 5.000" Overall Valve Length	AFR #7256
8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length	AFR #7254
PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400	AFR #8000
Manley 10째 Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° Bead Lock Valve Keepers with lashcap recess	AFR #9009
ARP 7/16" Rocker Studs	AFR #6405
Adjustable 5/16" Guide Plates	AFR #6103
Viton Valve Seals	AFR #6612
Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D	AFR #8048
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep	AFR #9060
Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep	AFR #9070
Bronze Valve Guides	AFR #9051

Specifications, Features, and Optional Supporting Components

Head Material	A356 Aluminum
Intake Port Volume	227cc
Intake Port Dimension	2.200" H x 1.290" W 5/16 Radius
Intake Port Location	Stock
Exhaust Port Volume	80cc
Exhaust Port Dimension	1.430" H x 1.540" W
Exhaust Port Location	.250" Raised
Combustion Chamber Size	65cc or 75cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	23째
Valve Spring Pocket Diameter	1.580" O.D
Max Valve Spring Pocket Machining	1.680" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.000"
Flat Mill	.006" per cc 60cc Maximum
Angle Mill	.009" per cc 55cc Maximum
Minimum Cross Sectional Area	2.340 sq. in.
Note:Angle mills might require a .120" Thick intake gasket.
Spark Plug Dimensions	14mm x .750" w/Gasket Seat
Carb EO#	Non Emissions Compliant
Shaft Mount Rocker Arms, T&D .450" off-set	AFR #6055
Stud Mount Rocker Arms, Hardland Sharp .050 offset	AFR #6036
Stud Mount Rocker Arms, Hardland Sharp .050 offset	AFR #6035
Intake Gasket 1.280x2.090 w/ 3/8" radius, Fel-Pro #1206	AFR #6820
Exhaust Port Gasket, Fel-Pro #1405	AFR #6835
Head Gasket, 350cid Fel-Pro #1003	AFR #6800
Head Gasket, 400cid Fel-Pro #1014	AFR #6802
SB Chevy Head Bolt Kit, ARP #134-3701	AFR #6310
SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301	AFR #6305
Head Bolt Washers, Manley	AFR #6320
Stud Girdle AFR Offset	AFR #6208
Suggested Manifold	AFR Titan TXR #4801
Suggested Manifold	AFR Titan TXS #4802
Spark Plug Starting Range	Autolite 3922

Important: Do not port match you intake manifold to any Fel-Pro gasket as it does not precisely match AFR heads.
Note: Milling head deck will affect flow numbers.

-IN STOCK ITEMS- Ship no later than the second business day after receiving cleared payment.




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- USPS Express Mail- HIGHLY RECOMMENDED 3-5 days typical delivery time with tracking, but as long as 2-3 weeks on rare occasions.
- UPS Worldwide Expedited - 3-9 days GUARANTEED! (Most Countries, check UPS.com)
- UPS Worldwide Saver - 1-5 days GUARANTEED!
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TREperformance
1725 Monrovia Ave.
Suite D7
Costa Mesa, CA 92627

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Contact info:
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Phone and Storefront Hours: Monday - Friday 8:00 AM - 4:00 PM PST

TREperformance
1725 Monrovia Ave.
Suite D7
Costa Mesa, CA 92627