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Trick Flow® Super 23® 175 Cylinder Heads for Small Block Chevrolet TFS-30300001

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Cylinder Heads, Super 23® 175, Fast As Cast®, Assembled, 1.250" Springs, Emissions Legal, Small Chevy, Pair

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Trick Flow Specialties TFS-30310001 - Trick Flow® Super 23® 175 Cylinder Heads for Small Block Chevrolet

$550.00

Estimated Ship Date: Today
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Manufacturer's Part Number: TFS-30300001
Part Type: Cylinder Heads
Summit Racing Part Number: TFS-30300001

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 56
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 175cc
Exhaust Runner Volume (cc): 67cc
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Combustion Chamber Style: Heart
Intake Port Shape: Rectangular
Intake Port Location: Standard
Exhaust Port Shape: D-port
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: Yes
Intake Valve Diameter (in): 1.940 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.500 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.480 in.
Outside Diameter of Outer Spring (in): 1.250 in.
Damper Spring Included: Yes
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
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 3/8-24 in.
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: Yes
Guideplate Pushrod Size: 5/16 in.
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: Yes
Quantity: Sold as a pair.
CARB EO Number: D-369-6 (pdf)
To see a list of qualifying vehicles, enter CARB EO Number D-369-6
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Trick Flow® Super 23® 175 cylinder heads give you performance that closely matches CNC-ported cylinder heads—for about the same price as ordinary cast heads! Made to outperform factory small block Chevy heads on 283-350 c.i.d. street performance engines, the Super 23 175 heads feature small cross-section intake runners to promote low-rpm torque and high-rpm horsepower on small bore engines. Fast As Cast® runners duplicate the runner profile and performance levels of CNC-ported heads. Other features include angled spark plugs, raised valve cover rails, and extra-thick decks and walls for porting. Trick Flow Super 23 175 heads are a direct fit, high performance replacement for factory heads and accept most original accessories. The heads are 50-state emissions-legal under CARB E.O. Number D-369-6 for 1995 and earlier GM vehicles with Chevy 262–350 engines. The heads are available fully assembled or as bare castings.

Warranty

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

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