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World Products S/R Torquer Cylinder Heads 042670-1

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Cylinder Head, S/R Torquer, Cast Iron, Assembled, 76cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each

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Manufacturer's Part Number: 042670-1
Part Type: Cylinder Heads
Summit Racing Part Number: WRL-042670-1

Cylinder Head Style: Assembled
Cylinder Head Material: Cast iron
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 76
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 170cc
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
Intake Valve Diameter (in): 2.020 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.560 in.
Outside Diameter of Outer Spring (in): 1.250 in.
Damper Spring Included: No
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Positive stop
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
Valve Guides Included: Yes
Valve Guide Material: Cast iron
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Steel
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually.
Notes: Designed for hydraulic camshafts.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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, according to World Products.

These cast iron heads feature:

* Power-building 170cc intake runners
* Dual-pattern raised, leak-free valve cover rails
* 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

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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