Brand:
Manufacturer’s Part Number:
SUM-151124
Part Type:
Product Line:
Summit Racing Part Number:
SUM-151124
UPC:
190861096189
Combustion Chamber Volume (cc):
67
Intake Runner Volume (cc):
175cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast iron
Intake Port Shape:
Rectangular
Intake Valve Diameter (in.):
1.940 in.
CNC-Machined Combustion Chamber:
No
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Intake Port Location:
Standard
Exhaust Port Shape:
Square
Exhaust Port Location:
Standard
Spark Plug Style:
Straight
Intake Valves Included:
Yes
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.500 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in.):
0.490 in.
Camshaft Style:
Hydraulic flat tappet
Outside Diameter of Outer Spring (in.):
1.253 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Single
Retainers Included:
Yes
Retainer Material:
Steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Umbrella
Rocker Arm Studs Included:
Yes
Rocker Arm Nut Thread Size:
3/8 in.-24
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Cover Mounting Style:
Centerbolt
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
23
Exhaust Valve Angle:
23
Valve Guides Included:
Yes
Valve Guide Material:
Cast iron
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile iron
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Machine work must be done to accommodate guide plates.
Are you looking for a good set of heads to up the performance factor of your Vortec engine? Our Summit Performance® Vortec cylinder heads have what it takes to get the job done. Featuring wide-open intake runners, efficient combustion chambers, and a high-performance valve job, these heads deliver all of the power-building airflow you need. Made from superior iron alloy, these heads come ready-to-run for improved performance straight out of the box.
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