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Trick Flow SBC Super 23 175 Street Heads - 1.47" spring, Center bolt

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Price:
$1,299.00
SKU:
30300006
Brand:
Shipping:
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Product Description

1.470" Valve Springs, Center bolt valve covers,175cc runner

Trick Flow® Super 23® Street Cylinder Heads for Small Block Chevrolet

Replace those factory cast iron heads.

The Trick Flow® Super 23® Street heads are high performance replacements for original equipment cast iron heads and accept most factory accessories. They feature angled spark plugs, 56cc combustion chambers, 1.940 in./1.500 in. stainless steel valves, hardened ductile iron valve seats, and high-flow 175cc intake ports with a small cross-section design to promote low-rpm torque and high-rpm horsepower. Trick Flow® Super 23® Street heads are available with three spring sizes: 1.250 in. singles for cams up to .480 in. lift, 1.470 in. singles for cams up to .540 in. lift, and 1.460 in. dual springs for cams up to .600 in. lift. The heads come fully assembled with stainless steel valves, valve springs, locks, retainers, ARP rocker arm studs, and guideplates.

Product Line: Trick Flow® Super 23® Street Cylinder Heads for Small Block Chevrolet
Part Type: Cylinder Heads
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: Square
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): 0.540 in.
Outside Diameter of Outer Spring (in): 1.470 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Chromemoly 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: Center bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Valve Guides Included: Yes
Valve Guide Material: Manganese 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: No
CARB EO Number: D-369-6
Quantity: Sold as a pair.

Cylinder Heads, Super 23 Street, Alum., Assembled, 56cc Chamber, 175cc Intake Runner, Chevy, Small Block, Pair


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