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AFR 225 cc Aluminum Cylinder Heads for Small Block Ford
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Are you looking for big torque and horsepower number? Only AFR’s 225cc
will provide you with exactly that. With the largest intake and
exhaust runner volumes for our in-line Ford line up, these are the
ultimate for NMRA Renegade or Hot Street classes. With 2.080 intake
valves and 1.600 exhaust valves these heads move massive amounts of air.
Combustion chamber volumes of 58cc accompanied by 80cc exhaust ports
which are raised .375 higher than stock. AFR’s new 225cc is the
perfect choice for 347 through 427 CI windsors engines operating
between 4500 to 8500 rpm. Our trademark 3/4” thick head deck makes
them ideal for heavy nitrous or blower applications.
Note:
2.080 valves will require aftermarket pistons notched for valve clearance.
If you plan on lift over .670, you must purchase the spring upgrade #8025.
FREE Shipping on ALL AFR Heads!!!
All Ford AFR Heads not "In Stock" are made to order (3-4 WEEK BUILD TIME) and are ordered after payment is received.
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| Kit Description |
Part Number |
Price |
Buy |
| 225cc Race Head, Stud, 58cc (NON-Emissions) |
1451 |
$2019 |
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| 225cc Race Head, Stud, 58cc (NON-Emissions, NO parts) |
1455 |
$1795 |
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| 210cc Race Head, Stud, 50cc (BARE Heads, NO Porting, NO Parts) |
146 |
$899 |
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| Spring Upgrade Kit, .740 lift, with REV valves |
8025 |
$99 |
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Intake Port:
Flow Chart:
Combustion Chamber:
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Exhaust Port:
Basic Package Components:
100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
Competition 3-angle Valve Job
Intake Valve, 2.080” x 100L, AFR #7026
Exhaust Valve, 1.600” x 100L, AFR #7056
1.550” OD Roller Dual Valve Spring with dampner, 210 lbs. on seat,
.670” maximum lift, AFR #8000
10º 4140 Chrome Moly Steel Retainers, AFR #8510
10º Valve Locks, AFR #9005
7/16” Rocker Studs, AFR #6405
5/16” Guide Plates, AFR #6107
Valve Seals, AFR #6611
Hardened Shims, AFR #8045
Intake Valve Seats, AFR #9058
Exhaust Valve Seats, AFR #9069
Bronze Valve Guides, AFR #9049
Special orders available upon request.
All Accessory Holes are Predrilled & Tapped!
Specifications, Features, and Supporting Components:
Head Torque 100 Ft. Lbs. with 1/2” stud
Rocker Stud Torque 55-60 Ft. Lbs.
Intake Port Gasket, 1.400” x 2.250” with 3/8” radius
AFR #6812
Exhaust Port Gasket Fel Pro #1487, AFR #6839
Head Gasket 1962-82 Fel Pro #1011-1, AFR #6808
1983-93 Fel Pro #1011-2, AFR #6809
Head Bolts & Studs Standard ARP, AFR #6318,6317
Head Bolt Washers Manley, AFR #6320
Stud Girdle Standard
Suggested Manifold Vic Jr., Super Victor
Spark Plug Starting Range Autolite 3922
Combustion Chambers 60cc
Spring Pocket can be cut to 1.625, no deeper.
Valve Spacing Standard
Rocker Arms Standard (will not accept rail rockers)
Valve Angle Standard
Angle Mill (6cc Maximum Mill) .008” per cc
Flat Mill (3cc maximum Mill) .006” per cc
Note: Milling head deck will affect flow numbers.
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View the rest of our catalog:
Full Catalog
Please contact us with any questions:
2587 Dos Lomas
Fallbrook, Ca 92028
(760) 586-5617
Email: sales@TREperformance.com
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