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Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc

Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc

Chevy Big Block V8, Assembled Cylinder Head Style, Aluminum, Natural, Angle Spark Plug Style

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Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
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Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
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Part # 72255320
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Details

Cylinder Head Style:
Assembled
Material Type:
Aluminum
Finish:
Natural
Combustion Chamber Volume:
133cc
Intake Runner Volume:
320cc
Exhaust Runner Volume:
128cc
Combustion Chamber Volume Range:
130cc - 139cc
Intake Runner Volume Range:
320cc - 329cc
Exhaust Runner Volume Range:
120cc - 129cc
CNC-Machined Runners:
No
Spark Plug Style:
Angle
Intake Port Shape:
Rectangle
Exhaust Port Shape:
Square
Intake Valve Diameter:
2.250"
Exhaust Valve Diameter:
1.880"
Exhaust Valves Included:
Yes
Rocker Arms Included:
No
Stud Diameter:
0.440"
Sold in Quantity:
Each
MFG. Part #:
305-505

Info

Specs:

  • 2.250? Intake Stainless Swirl Polished Valves
  • 1.880? Exhaust Stainless Swirl Polished Valves
  • 320cc Intake Runners
  • 128cc Exhaust Runners
  • 133cc Combustion Chambers
  • Hi Performance Springs (.600 lift up to)
  • Positive Seals
  • Hardened Locks and Retainers
  • High Temp Exhaust Seals
  • Phosphor Bronze Intake & Exhaust Guides
  • Rocker Studs & Guide Plates included - must be torqued during installation process
  • 5 Angle Valve Job
  • CFM Intake Short Runner at .600 322.4 CFM
  • CFM Intake Long Runner at .600 325.6 CFMCFM Exhaust at .600 223.0 CFM
  • Sold individually
  • Head Bolts: ARP-135-3703 (12pt) & ARP-135-3606 (6pt)
  • Head Studs: ARP-235-4303
  • Head Gasket: Fel Pro 1017-1 (4.500) & Fel Pro 1057 (4.630)
  • Stud Girdle: Harland Sharpe G1114 (7/16)
  • Intake Gasket: Fel Pro 1252-3 (320) & Fel Pro 1211 (360)
  • Exhaust Gasket: Raised Exh. Ports- Fel Pro 1404
  • Spark Plug: 14mm .750 reach, Recommended starting point Accel # 416
  • Head Bolt Torque Specs: 75 ft/lbs w/ oil. Coat head bolts and rocker studs with thread sealant.
  • Rocker Arm Stud Torque: 50 ft lbs w/ oil
  • Guide Plate: 3/8 Adjustable Dart #27001230

 

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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