280CC BBF CYLINDER HEAD

$2,550.86

SOLD AS A PAIR

Option 1:



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.
 

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
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L
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)
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700
10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D
10° 11/32" Beadlock Valve Keepers with lashcap recess
ARP 7/16" Rocker Studs
Adjustable 3/8" Guide Plates
11/32" Viton Valve Seals
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L

 

280cc Street Head Flow Chart
  .200 .300 .400 .500 .600
Int 169 244 301 349 383
Exh 125 160 205 238 255

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe


Item# Description
3805

280cc BBF Cylinder Head



$2,550.86

ADD TO CART
3806

280cc BBF Cylinder Head



$2,664.31

ADD TO CART
3802

280cc BBF Cylinder Head



$2,550.86

ADD TO CART
3803

280cc BBF Cylinder Head



$2,664.31

ADD TO CART

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