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AFR 180cc SBC Aluminum Cylinder Heads for all Small Block Chevys
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The Small Port, High Velocity Torque Monster
The AFR Emissions Legal (versions from 1969-94 with heat riser, CARB EO #D-250-2),
180cc intake port small block Chevy cylinder heads are available in your choice of straight,
or L98 angle plug versions. These heads feature a 75cc or 65cc combustion chamber with a
64cc exhaust port and a 3/4 inch thick head deck (ideal for nitrous or
blower applications.) The 65cc chambers are designed for flat top or dished pistons; domed
pistons will require additional machining. Standard valves are 2.020 intake and 1.600 exhaust with AFR’s
hardened ductile iron interlocking valve seats. The exceptional flow characteristics,
ideal operating range of idle to 5500 rpm (higher rpm ranges possible depending on combination of parts),
23 degree valve angle, and standard valve spacing make this the perfect street head for 327 cid to 350 cid
engines from 1955-86. Also available for 1987 to present engines with center bolt valve covers and 2 center
intake bolts at 72º angle. No special parts are required. Vortec style head available too.
Note:
The new AFR 180cc and 195cc SBC heads now use the LS1 springs which are good for .600" lift.
FREE Shipping on ALL AFR Heads!!!
Many SBF and SBC Head sets in stock ready to ship with free shipping, email or call now to check if your desired part number is in stock, no need to wait 4-12 weeks!
All AFR SBC Heads not "In Stock" are made to order (12 WEEK BUILD TIME) and are ordered after payment is received.
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| Kit Description |
Part Number |
Price |
Buy |
| 180cc CNC Ported w/parts Straight Plug w/heat riser 75cc |
0911 |
$1440 |
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| 180cc CNC Ported w/parts Vortec Plug w/heat riser 75cc |
0912 |
$1440 |
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| 180cc CNC Ported w/parts Factory Straight Plug w/heat riser 75cc |
0913 |
$1440 |
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| 180cc CNC Ported w/parts Straight Plug w/heat riser 65cc |
0916 |
$1440 |
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| 180cc CNC Ported w/parts L98 Angle Plug w/heat riser 75cc |
0917 |
$1440 |
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| 180cc CNC Ported w/parts L98 Angle Plug w/heat riser 65cc |
0918 |
$1440 |
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| 180cc Competition Package w/parts Straight Plug w/heat riser 75cc |
0985 |
$2017 |
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| 180cc Competition Package w/parts L98 Angle Plug w/heat riser 75cc |
0988 |
$2017 |
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| 180cc Competition Package w/parts Vortec Plug w/heat riser 75cc |
0989 |
$2017 |
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| 180cc Competition Package w/parts Factory Straight Plug w/heat riser 75cc |
0990 |
$2017 |
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Intake Ports:
Flow Charts:
Combustion Chamber:
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Exhaust Ports:
Basic Package Components:
100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
3-angle Valve Job
Intake Valve, 2.020" standard length, AFR #7204 Comp PKG #7002
Exhaust Valve, 1.600" standard length, AFR #7219 Comp PKG #7057
1.290” O.D. Dual Hydraulic Valve Spring, 135 lbs. on seat, .600” maximum lift #8017, Comp PKG #8015
10º 4140 Chrome Moly Retainers, AFR #8510
10º Valve Locks, AFR #9005
3/8" Rocker Studs, AFR #6410
Guide Plates, AFR #6105
Valve Seals, AFR #6611
Hardened Shims, AFR #8043
Intake Valve Seats, AFR #9060
Exhaust Valve Seats, AFR #9070
Bronze Valve Guides, AFR #9050
All Accessory Holes are Predrilled & Tapped!
Specifications, Features, and Supporting Components:
Head Torque 65-70 Ft. Lbs.
Rocker Stud Torque 55-60 Ft. Lbs.
Intake Port Gasket, 1.230”x1.990” w/ 3/8” Radius, AFR #6815
Important: Do not port match you intake manifold to this Fel-Pro gasket, as they do not exactly fit AFR heads.
Exhaust Port Gasket Fel Pro #1404, AFR #6834
Head Gasket 350cid Fel Pro #1003, AFR #6800
400cid Fel Pro #1014, AFR #6802
Head Bolts & Studs Standard ARP, AFR #6310 & #6305
Head Bolt Washers Manley, AFR #6320
Stud Girdle AFR #6201
Suggested Manifold Edelbrock #3701, AFR #5029
Spark Plug Starting Range AC FR3LS
Combustion Chambers 74cc or 68cc
Spring Pocket can be cut to 1.625, no deeper.
Valve Spacing Standard
Rocker Arms Standard
Valve Angle 23 degree
Angle Mill (milling available) .008” per cc
Flat Mill (milling available) .006” per cc
Pushrods 5/16 inch Hardened AFR #6600 & #6601
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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