Product
Cylinder Head, Assembled, 1.940 / 1.500 in Valves, 170 cc Intake, 64 cc Chamber, 1.280 in Springs, Straight Plug, Iron, Small Block Chevy, Each
Notes
Product Note: THESE HEADS ARE ASSEMBLED.THE BARE HEAD NUMBER IS 19331471
Brand
Chevrolet Performance has a wide selection of performance upgrade parts specifically for GM vehicles, as well as crate engines, you can add proven performance to stock vehicles.
Product Information
Alternate Description
VORTEC HEAD - SBC (EACH)
Part Number
GMP12691728
Vendor Part Number
12691728
UPC Code
Package Weight
47.90 lbs 21.73 kg
Package Length
21 in 53.34 cm
Package Width
9 in 22.86 cm
Package Height
7 in 17.78 cm
Product Key Attributes
Assembled/Bare
Assembled
Chamber Volume
64 cc
Plug Angle
Straight
Intake Runner Volume
170 cc
Intake Port Shape
Rectangle
Intake Port Location
Stock
Exhaust Port Shape
Rectangular
Exhaust Port Location
Stock
Intake Valve Size
1.940 in
Intake Valve Included
Yes
Exhaust Valve Size
1.500 in
Exhaust Valve Included
Yes
Valve Spring Included
Yes
Intended Camshaft Style
Hydraulic Flat Tappet | Hydraulic Roller
Maximum Lift
0.475 in
Valve Spring Number
Dual
Valve Spring Damper
Yes
Valve Spring Retainers Included
Yes
Valve Spring Retainer Material
Steel
Valve Locks Included
Yes
Valve Lock Angle
10 Degree
Valve Seal Included
Yes
Valve Seal Style
Positive Stop
Rocker Studs Included
Yes
Valve Guide Included
Yes
Valve Guide Material
Manganese Bronze
Center Mount Valve Cover
Yes
Valve Seat Included
Yes
Valve Seat Finish
Machined
Combustion Chamber Finish
As Cast
Intake Runner Finish
As Cast
Exhaust Runner Finish
As Cast
Accessory Bolt Holes
Drilled and Tapped
Material
Cast Iron
Color
Natural
Finish
Natural
Quantity
Each
