Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.
Specifications
Cylinder Head Material: Aluminum A356.2 T6
A356.2 T6
Combustion Chamber Volume:
63cc
Intake Runner Volume:
171cc
Exhaust Runner Volume:
77cc
Intake Valve Diameter:
2.02''
Exhaust Valve Diameter:
1.60''
Valve Stem Diameter:
11/32''
Valve Guides:
Manganese Bronze
Deck Thickness:
5/8''
Valve Spring Diameter:
1.46''
Valve Spring Maximum Lift:
0.575''
Rocker Stud:
N/A
Guideplate:
Hardened Steel
Pushrod Diameter:
5/16''
Valve Angle:
18°
Exhaust Port Location:
Stock
Spark Plug Fitment:
14mm x 3/4'' Reach,
Gasket Seat
$2,200.00Purchase directly from our trusted partner VPW. Buy Now on VPW
