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Trick Flow Specialties TFS-30300007 - Trick Flow® Super 23® 175 Cylinder Heads for Small Block Chevrolet

  • Cylinder Heads, Super 23® 175, Aluminum, Assembled, 56cc Chamber, Chevy, Small Block, Pair
  • Application Specific
  • Estimated Ship Date: Today
 
BrandTrick Flow Specialties
Manufacturer's Part NumberTFS-30300007
Part TypeCylinder Heads
Product LineTrick Flow® Super 23® 175 Cylinder Heads for Small Block Chevrolet
Summit Racing Part NumberTFS-30300007
 
Cylinder Head StyleAssembled
Cylinder Head MaterialAluminum
Cylinder Head FinishNatural
Combustion Chamber Volume (cc)56
CNC-Machined Combustion ChamberNo
Intake Runner Volume (cc)175cc
Exhaust Runner Volume (cc)67cc
CNC-Machined Intake RunnerNo
CNC-Machined Exhaust RunnerNo
Combustion Chamber StyleHeart
Intake Port ShapeRectangular
Intake Port LocationStandard
Exhaust Port ShapeSquare
Exhaust Port LocationStandard
Spark Plug StyleAngle
Intake Valves IncludedYes
Intake Valve Diameter (in)1.940 in.
Exhaust Valves IncludedYes
Exhaust Valve Diameter (in)1.500 in.
Valve Springs IncludedYes
Maximum Valve Lift (in)0.600 in.
Outside Diameter of Outer Spring (in)1.460 in.
Damper Spring IncludedYes
Number of Springs Per ValveDual
Retainers IncludedYes
Retainer MaterialChromoly steel
Locks IncludedYes
Lock Style7 degree
Valve Stem Seals IncludedYes
Valve Stem Seal StyleViton® fluoroelastomer
Rocker Arm Studs IncludedYes
Rocker Arm Nut Thread Size3/8-24 in.
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Guideplates IncludedYes
Guideplate Pushrod Size5/16 in.
Valve Cover Mounting StyleCenterbolt
Accessory Bolt Holes DrilledYes
Intake Valve Angle23
Exhaust Valve Angle23
Valve Guides IncludedYes
Valve Guide MaterialManganese bronze
Valve Seats MachinedYes
Valve Seat Machine Style3-angle
Valve Seat MaterialDuctile iron
Steam Holes DrilledNo
Oiling StyleThrough pushrod
Machined for O-RingNo
Heat CrossoverNo
CARB EO NumberD-369-6 (pdf)
To see a list of qualifying vehicles, enter CARB EO Number D-369-6
QuantitySold as a pair.
CalculatorCompression Calculator
 

These Trick Flow® Super 23® 175 heads are a high performance replacement for original equipment cast iron heads and accept most factory accessories. These Trick Flow® Super 23® 175 heads feature angled spark plugs, 56cc combustion chambers, 1.940 in. intake and 1.500 in. exhaust stainless steel valves, hardened ductile iron valve seats, and high-flow 175cc Fast As Cast® intake runners with a small cross-section design to promote low-rpm torque and high-rpm horsepower on small bore, street performance engines. Trick Flow® Super 23® 175 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. Cylinder 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. Bare cylinder head castings are also available.

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