Cylinder Head Features:
Part Number: TFS-52516301-C00
Combustion Chamber Volume (cc): 63
Intake Runner Volume (cc): 170cc
Exhaust Runner Volume (cc): 66cc
Cylinder Head Style: Assembled
Cylinder Head Material: Cast aluminum
Camshaft Style: Hydraulic roller
Intake Port Shape: Rectangular
Intake Valve Diameter (in.): 2.020 in.
CNC-Machined Combustion Chamber: Yes
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Twisted Wedge®
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Intake Valves Included: Yes
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in.): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in.): 0.650 in.
Outside Diameter of Outer Spring (in.): 1.295 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 7/16 in.-20
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: Yes
Guideplate Pushrod Size: 5/16 in.
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 11
Exhaust Valve Angle: 13
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Cylinder Head Color: Natural
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually.
Notes: Street ported fully CNC, non-emissions head. For customers with blocks that are machined for 7/16 in. head bolts, the use of TFS-51400419 head bolt bushings is required. Set-up for hydraulic roller cam shaft only.