World Products S/R Torquer Cylinder Heads 042660-1

Brand:
World Products
Manufacturer’s Part Number:
042660-1
Part Type:
Cylinder Heads
Product Line:
World Products S/R Torquer Cylinder Heads
Summit Racing Part Number:
WRL-042660-1
UPC:
816642020500
Combustion Chamber Volume (cc):
67
Intake Runner Volume (cc):
170cc
Exhaust Runner Volume (cc):
65cc
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast iron
Intake Port Shape:
Rectangular
Intake Valve Diameter (in.):
2.020 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.):
1.600 in.
Valve Springs Included:
Yes
Maximum Valve Lift (in.):
0.560 in.
Camshaft Style:
Hydraulic flat tappet
Outside Diameter of Outer Spring (in.):
1.250 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:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Cover Mounting Style:
Center and perimeter bolt
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:
Steel
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Quantity:
Sold individually.
Notes:
The included valve springs are designed for use with hydraulic flat tappet camshafts.

World Products S/R Torquer Cylinder Heads

Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy—up to 30 horses over stock. The heads are available bare or assembled for a variety of applications.

These cast iron heads feature:

* Power-building 170cc intake runners
* Dual-pattern raised, leak-free valve cover rails
* Tapped for screw-in rocker arm studs
* 2.02 in. intake/1.60 in. exhaust valves
* Umbrella valve seals
* 1.250 in. valve springs
* 7 degree retainers and locks

Warranty