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AFR 3802/3805 BBF 280/75 OR 85CC .725 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE
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AFR 3802/3805 BBF 280/75 OR 85CC .725 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE
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AFR 3802/3805 BBF 280/75 OR 85CC .725 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZECALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Our 280cc feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout with standard exhaust port locations. Recommended for street, towing, or street strip engines with displacements up to 477 cubic inches, operating up to 6200 RPM. Please note, due to AFR's valve angle and location, custom pistons or notching existing pistons will be required.
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Why choose thelockerguy wholesale?
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
Our 280cc feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout with standard exhaust port locations. Recommended for street, towing, or street/strip engines with displacements up to 477 cubic inches, operating up to 6200 RPM. Please note, due to AFR's valve angle and location, custom pistons or notching existing pistons will be required.
| 280cc Aluminum BBF Cylinder Heads | ||
|---|---|---|
| Part # | Description | Combustion Chamber |
| 3802 | CNC bowl blend, Partially CNC Chamber w/ Hydraulic Roller Springs |
75cc |
| 3803 | CNC bowl blend, Partially CNC Chamber w/ Solid Roller Springs |
75cc |
| 3805 | CNC bowl blend, Partially CNC Chambers w/ Hydraulic Roller Springs |
85cc |
| 3806 | CNC bowl blend, Partially CNC Chambers w/ Solid Roller Springs |
85cc |
| 280cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .600 | ||
| Int | 169 | 244 | 309 | 354 | 385 | |
| Exh | 130 | 174 | 214 | 238 | 254 | |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe
| Included Components | |
| 50% CNC Ported Combustion Chambers | |
| 80% CNC Bowl Blend Intake & Exhaust | |
| Competition 5-Angle Valve Job | |
| 11/32" Bead Lock Intake Valve 2.250" x 5.250" O.A.L |
7551
|
| 11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L |
7553
|
| PAC Racing Springs 1.550" OD Solid Roller Dual Valve Drag Race Spring 220 lbs. on seat, .680" maximum lift Max RPM 7200-7400 (upgrades available) |
8000
|
| PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700 |
8002
|
| 10° Manley Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D |
8511
|
| 10° 11/32" Beadlock Valve Keepers with lashcap recess |
9010
|
| ARP 7/16" Rocker Studs |
6407
|
| Adjustable 3/8" Guide Plates |
6108
|
| 11/32" Viton Valve Seals |
AFR #6610
|
| Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D |
8048
|
| Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep |
9065
|
| Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D |
9066
|
| 11/32" Bronze Valve Guides .502" O.D x 2.250" O.A.L |
9048
|
| Recommended Components: | |
| Intake Port Gasket |
6893
|
| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads. | |
| Exhaust Port Gasket, Fel-Pro #1420 |
6891
|
| Head Gasket, 4.500 Bore, Fel-Pro #1018 |
6892
|
| Head Bolts, ARP #155-3603 |
6340
|
| Head Studs, ARP# 155-4203 12 Point |
6341
|
| Head Bolt Washers, Manley |
6320
|
| Stud Girdle |
6209
|
| 1.75 Shaft Mount Rocker Arms T&D |
6067
|
| Suggested Manifold |
AFR Single Plane, AFR# 4992 or 4993
|
| Spark Plug Starting Range |
Autolite 3932
|
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
280cc
|
| Intake Port Dimension |
2.230" H x 1.815" W x .525 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
132cc
|
| Exhaust Port Dimension |
1.830"H x 1.600"W
|
| Exhaust Port Location |
Stock
|
| Combustion Chamber Size |
75cc or 85cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
14° Intake/8° Exhaust
|
| Valve Spring Pocket Diameter |
1.750" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.360"
|
| Minimum Cross Sectional Area |
3.225 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
SHIPS IN THE LOWER 48 STATES FREE!
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER
Warning: May cause cancer and reproductive harm.
AFR 3802/3805 BBF 280/75 OR 85CC .725 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE
Item no
:
13338079316
US$ 2544.42
Pay in 4 interest-free payments of $636.11 Learn more
Min. order:
1piece
Shipping Estimate
USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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