T-Man Performance

High Performance Heads...

T-Man Performance offers Stage 1 Street performance heads through Stage 4 Thumper Series for the ultimate performance in V-Twin engines.

Customer must ship their heads to T-Man Performance for all head work. Heads must be stock unless previously ported by T-Man Performance. (Prices do not include new head cores)

Click here to see typical 2006 Stock Harley Head Flow Table or Graph before T-Man Performance does their Stage work.

Click picture for close up view

Stage 1 Street Performer $650

These heads provide better breathing that are touched up and prepared for good street performance. Priced to get you into the performance arena without breaking the bank. This port is especially effective on 06 and up heads and goes well with our drop-in cams.

Hi-flo valves with hand touch-up ports. 5 angle precision cut on intake valve. 1.90" Intake and 1.610" exhaust. Delivers good performance for drop-in cams at minimal expense. Applications: 88" to 103" with less aggressive compression (10.0:1 and less) and up to .625 lift.

All gasket surfaces are finished to insure flatness.

Add $56 for Head gaskets when purchased with this head.
Add $95 for manual compression releases machined and installed

Typical Flow Table and Graph for
T-Man Performance Stage 1 Heads
(Note: Flowed with 51mm HPI Manifold with .710" inlet)

Stage 2 Street Eliminator $995

Step up to a mark increase in performance with T-Man's Street Enhancer ported heads. Increased valves with high lift springs and the legendary TR porting make this a a proven Street Eliminator.

Features 1.9" Intake with 1.610" Exhaust Precision 5 angle cut on Intake valve and Multi-angle Exhaust cut that provides optimal flow made to TR's specs. Precision ported CNC Intake and Exhaust port with hand finished for maximum performance. Stock chamber size is utilized for comparability with Flat-Top pistons making this upgrade an easy addition for stock to performance engine configurations.

Add $56 for Head gaskets when purchased with this head.
Add $95 for manual compression releases machined and installed

Typical Flow Table and Graph for
T-Man Performance Stage 2 Heads
(Note: Flowed with 51mm HPI Manifold with .710" inlet)

Stage 3 Street Elite $1295

If you are looking for a proven combination that is the "Top of it's Class" then the Street Elite is for you. This package steps your performance up to a level that makes the numbers you want for on the street or at the strip. TR provides his legendary head porting and completes the heads with race performance valve springs and valves. You will not find a higher flowing head in it's class..

Features 1.940" Intake with 1.615" exhaust. Intake cut with TR's legendary 5 custom angle valve seat and includes his custom multi-angle Exhaust cut. All of this attention to detail provides optimal flow for outstanding street performance.

Valve geometry is correct to insure longevity and quietness of valve train. Custom valve springs and valves made to TR's specs to insure a trouble free running high performance engine.

This is a fully CNC ported head and chamber with final finishing done by hand to optimize performance from these stock head castings.

This is our most popular head, proven time after time in high performance street installations.

Add $56 for head gasket with this head.
Add $95 for manual compression releases machined and installed

Typical Flow Table and Graph for
T-Man Performance Stage 3 Heads
(Note: Flowed with 55mm HPI Manifold with .800" inlet)

Stage 4 Thumper Series $1570

This is TR's favorite and is installed on his dresser! This is the ultimate performance upgrade for a stock head casting. This head features a 2.020" intake valve with 1.80" inlet and 1.615" exhaust valve. These valve seats are cut with TR's custom 5 angle seat cutter, with the exhaust cut with his multi-angle exhaust seat.

Fully CNC machined with special attention to chambers. This head is hand finished and provides unbelievable flow rates and performance. it is optimized to flow through the mid-range valve lift to provides excellent acceleration not matched anywhere else .....learned from years of building and racing engines.

Coupled with TR's custom valves and springs to correct geometry, this head is the perfect choice for high compression engines needed the maximum fill, such as 10.7:1 or greater. These heads are designed for high output 103" engines and up and a perfect match for T-Man's TR662 cams.

Comes with manual compression releases installed.
Add $56 for head gasket with this head.
To utilize this head capability, deck height, compression ratio, piston selection, throttle body and exhaust system needs to be considered. A proper tune is a must for maximum performance and rideability.

Typical Flow Table and Graph for
T-Man Performance Stage 4 Heads
(Note: Flowed with 55mm HPI Manifold with .800" inlet)

Stage 4 Thumper Series Jims, SE110, SE103Pro $1570

This head features 2.100" Intake with a 1.650" exhaust with TR's 5 angle intake seat and multi-angle exhaust. Fully CNC machined and hand finished to provide the ultimate in performance from this head.

Add $56 for head gasket with this head.
$95 additional to match chamber to piston and set compression ratio if required.

Stage 4 Thumper Series Bullet Head $Call

TR's new Stage 4 Bullet Heads. TR is always striving to improve his performance products. He has specially designed this head to achieve record breaking speeds on his bagger.

S&S Ported heads $1570

T-Man Performance offers complete CNC machined heads for all 96" to 124" S&S heads. These heads feature fully CNC ported and machined chambers, hand finished to provide maximum flows.

Two valve arrangements are available: 2.020" intake with a 1.610" exhaust or for larger displacement, T-Man offers the 2.100" intake with a 1.650" exhaust. These valves use TR's custom 5 angle seat cut and his multi-angle exhaust to provide the ultimate in performance.

Add $56 for head gasket with this head.