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Pre-86 V8 SBC, 56cc, Trick Flow ® Super 23 ® 175, Fast as Cast ® Assembled Cylinder Heads, 1.250" Springs Sold Individually

Pre-86 V8 SBC, 56cc, Trick Flow ® Super 23 ® 175, Fast as Cast ® Assembled Cylinder Heads, 1.250" Springs Sold Individually

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SKU:
TFS-30310001
UPC:
842645106095
Width:
12.00 (in)
Height:
12.00 (in)
Depth:
22.00 (in)
Shipping:
Calculated at Checkout
Price: $754.99

Product Description:

Trick Flow ® Super 23 ® 175, Fast as Cast ® Assembled Cylinder Heads for V8 SBC Pre-86, 56cc 1.250" Springs. Sold Individually
 
Made to outperform factory small block Chevy heads on 283-350 c.i.d. street performance engines, Trick Flow® Super 23® 175 cylinder 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—for about the same price as ordinary cast heads! Other features include angled spark plugs, raised valve cover rails, and extra-thick decks and walls for porting.

Cylinder heads are available fully assembled or as bare castings.
 

SPECS BELOW:
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
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
Valve Stem Seal Style: Viton® fluoroelastomer
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 individually.
Notes: These heads only fit engines with a 3.736 in. bore or larger.
CARB EO Number: D-747-1 (pdf) To see a list of qualifying vehicles, enter CARB EO Number D-747-1
Emissions: California EO Approved

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