Description
T-Man’s Upgrade Head for the Harley-Davidson MVA
This head comes with T-Man Performance’s signature reshaped intake and exhaust ports to enhance flow and port velocity. They then install oversized intake and exhaust seats. This process allows the intake and exhaust ports to work with our custom made 2.130 intake and 1.680 exhaust valves, with corrected geometry built in. Both intake and exhaust ports are hand finished, then machined with their multi-angled cutters to insure a smooth flow rate. The chambers are fully CNC ported to insure consistency from head to head. This port comes with an optional 1.900 inlet at no additional charge and an optional welded exhaust. Check the specifications table for details on compatibility with your existing components.
Head packages require your heads to be sent to Ground Poundin Kustomz for work to be completed.
* When not using T-Man Performance pistons the builder is responsible for checking all valve to piston clearances.
** If during the welding process, heads crack then Ground Poundin Kustomz is not responsible for replacement and up-charges to repair.
Intake | Exhaust | Chamber Size | |
Valve Sizes | 2.120″ | 1.700″ | -.003 / 102cc |
Valve Spring Installed Height | 1.860″ | 1.860″ | -.020 / 98.5cc |
Valve Spring Seat Pressure | 185lbs | 185lbs | |
Valve Spring Pressure @.600″ Lift | 420lbs | 420lbs | -.040 / 94.5cc |
Valve Spring Travel | .770″ | .770″ | |
Valve Seal/Top Retainer Clearance | .770″ | .770″ | -.060 / 91cc |
Inlet Sizes | 1.800″ | ||
Compression Release Options | Auto (OEM) | Manual |
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