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AIR FLOW RESEARCH

BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. (AFR3670)

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SKU:
AFR3670
$3,749.92

Description

Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair
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Specifications

Notes:
Full CNC Ported
Assembled/Bare:
Assembled
Chamber Volume:
112 cc
Color:
Natural
Combustion Chamber Finish:
CNC Machined
Exhaust Port Height:
1.770 in
Exhaust Port Location:
Raised
Exhaust Port Raised Distance:
0.375 in
Exhaust Port Shape:
Round
Exhaust Port Width:
2.010 in
Exhaust Runner Finish:
CNC Machined
Exhaust Runner Volume:
135 cc
Exhaust Valve Angle:
24 Degree
Exhaust Valve Included:
Yes
Exhaust Valve Length:
5.450 in
Exhaust Valve Material:
Stainless
Exhaust Valve Seat Material:
Ductile Iron
Exhaust Valve Size:
1.880 in
Finish:
Natural
Guide Plate Pushrod Size:
3/8 in
Intake Port Height:
2.055 in
Intake Port Location:
Stock
Intake Port Shape:
Rectangle
Intake Port Width:
1.840 in
Intake Runner Finish:
CNC Machined
Intake Runner Volume:
300 cc
Intake Valve Angle:
24 Degree
Intake Valve Included:
Yes
Intake Valve Length:
5.500 in
Intake Valve Material:
Stainless
Intake Valve Seat Material:
Ductile Iron
Intake Valve Size:
2.300 in
Intended Camshaft Style:
Hydraulic Roller
Material:
Aluminum
Maximum Lift:
0.725 in
Maximum RPM:
6700
Perimeter Mount Valve Cover:
Yes
Product Line:
BBC Magnum
Pushrod Guide Plate Included:
Yes
Quantity:
Pair
Rocker Stud Size:
7/16-20 in
Rocker Studs Included:
Yes
Valve Guide Included:
Yes
Valve Guide Material:
Bronze
Valve Lock Angle:
10 Degree
Valve Lock Material:
Steel
Valve Locks Included:
Yes
Valve Seal Included:
Yes
Valve Seal Material:
Viton
Valve Seal Style:
Positive Stop
Valve Seat Finish:
Machined
Valve Seat Included:
Yes
Valve Spring Damper:
No
Valve Spring Diameter:
1.625 in
Valve Spring Included:
Yes
Valve Spring Number:
Dual
Valve Spring Retainer Material:
Chromoly
Valve Spring Retainers Included:
Yes
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