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CVO Street Performer Head

This head is designed as our entry-level performance head for the CVO customer who is looking for an increase in horsepower and torque while working with existing stock components. This head is compatible with the Harley Davidson 117 Bolt-On Kit but is recommended for use with the T-Man Performance 110/113 Upgrade Pistons. This head is compatible with larger displacement motors depending on cubic inch and piston design – for details, call T-Man Performance. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 202 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. Compression ratios will vary due to piston type. Check the specifications table for details on compatibility with your existing components. For more details on the best fit for your build – call T-Man Performance.

NC State Sales Tax will be applied.

$ 1,050.00
Please contact us to order.

Head Details


CVO Street Performer Head (Available in Air Cooled or, Water Cooled)

This head features a reshaped and fully CNC ported intake and exhaust ports with 1.800 inlet opening. This head comes with a 2.150 intake and 1.630 exhaust valve custom made to correct rocker arm geometry and utilizing the stock seats. The chambers are hand blended to insure consistency. This is the most cost effective first step for your CVO upgrade.

Piston to valve clearance must be checked when not using T-Man Performance custom pistons.

Due to core shift in some Harley heads there may be areas where the CNC machine does not touch.

Head packages require your heads to be sent to T-Man Performance for work to be completed.
* When not using T-Man Performance pistons the builder is responsible for checking all valve to piston clearances.


Intake Exhaust Chamber Size
Valve Sizes 2.150″ 1.630″ -.003 / 101cc
Valve Spring Installed Height 1.860″ 1.860″ -.020 / 97cc
Valve Spring Seat Pressure 178lbs 178lbs
Valve Spring Pressure @.600″ Lift 360lbs 360lbs -.040 / 93cc
Valve Spring Travel .770″ .770″
Valve Seal/Top Retainer Clearance .835″ .835″ -.060 / 90cc
Inlet Sizes
Compression Release Options Auto (OEM) Manual