AFR 3803/3806 BBF 280/75 OR 85CC .680 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE
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AFR 3803/3806 BBF 280/75 OR 85CC .680 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE

$5,275.53
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Shanon's Engineering Inc.

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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 Chamberw/ Hydraulic Roller Springs 75cc 3803 CNC bowl blend, Partially CNC Chamberw/ Solid Roller Springs 75cc 3805 CNC bowl blend, Partially CNC Chambersw/ Hydraulic Roller Springs 85cc 3806 CNC bowl blend, Partially CNC Chambersw/ 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 (press

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