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$699.99
Flo-Tek 305-600 Assembled BBC Cylinder Head, 320cc, Roller
Flo-Tek 305-600 Assembled BBC Cylinder Head, 320cc, Roller
396 Chevy Big Block V8, 402 Chevy Big Block V8, 427 Chevy Big Block V8, 454 Chevy Big Block V8
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Lincoln, NE -
Phoenix, AZ -
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Flo-Tek 305-600 Assembled BBC Cylinder Head, 320cc, Roller
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Part # 721305600
$699.99
each
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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:
D-port
Intake Valve Diameter:
2.250"
Intake Valves Included:
Yes
Exhaust Valve Diameter:
1.880"
Exhaust Valves Included:
Yes
Valve Spring Included:
Yes
Valve Seat Material:
Powdered Metal
Valve Stem Seals Included:
Yes
Valve Stem Seal Type:
Positive Stop
Valve Stem Seal Material:
Viton
Valve Guides Included:
Yes
Valve Guide Material:
Manganese Bronze
Locks Included:
Yes
Lock Style:
7 Degree and 10 Degree
Retainers Included:
Yes
Retainer Material:
Chromoly Steel
Guideplates Included:
Yes
Rocker Arms Included:
No
Sold in Quantity:
Each
MFG. Part #:
305-600
GTIN Code:
850134007686
Info
Flo-Tek Recommended Setup:
- Header – Based on Chassis - 2-1/8”
- Rocker Arms – Isky Roller Rockers 204-96 1.75:1 or Equivalent
- Intake Manifold – Victor JR or Super Victor
A powerful, out-of-the-box cylinder head design matched with an outstanding, unbeatable casting technology. FLOTEK Aluminum Cylinder Heads are a great choice for out of the box horsepower. These FLOTEK Cylinder Heads offer a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip applications.
The FLOTEK BBC 320 takes stock pistons and has raised valve cover rails. The BBC 320 Exhaust Port location is raised .500.
Valve Springs:
PSK-236-1-7 Up to .600 Lift CL #147 @ 1.90 OP #365 @ 1.22 C/BIND 1.12 O.D 1.53” Single W/D I.D. 1.12
Notes
- Headers will bolt on in most applications. Some may have interference.
- Recommendations: Hooker Super Comp Headers
- Stock Bolt Spread
- May be necessary to use lowered motor mounts
Specs
- 2.250 + .250 Intake Valves
- 1.880 Stock Length Exhaust Valves
- 320cc Intake Runners
- 128cc Exhaust Runners
- 133cc Combustion Chambers
- Viton Positive Seals
- Hardened Chrome Moly Retainers
- Manganese Bronze Intake & Exhaust Guides
- Rocker Studs & Guide Plates included - must be torqued during the installation process, must have clearance for valve spring retainers
- 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: 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: Dart 2700123-4/PC-4247
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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