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Camshafts

TTS Camshafts are designed to provide smooth power delivery throught your engine's entire operating range.

The various grinds allow you to select a cam that optimizes torque in the RPM range you require without compromising performance elsewhere.

TTS Camshaft
Item Part Number Fitment Price Dyno Charts

TTS-100

Designed to increase torque in the 1000-4000 RPM range with smooth power to 5500 RPM.

Developed for 88-117 CID with stock heads and pistons. Not recommended for compression over:
- 10.2:1 Twin Cam
- 10.5:1 Milwaukee-Eight

Ideal for heavy bikes like baggers or trikes.

FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR USE ON PUBLIC HIGHWAYS.

2000300

All '07 - '17 Harley-Davidson Twin Cams and '06 Dynas

Bolt-in design utilizes stock springs and pushrods

$377.91 product image product image
2000302

All 1999 - 2006 Harley-Davidson Twin Cams except '06 Dyna

Requires conversion to '07 - later style cam drive (see note 1 below)

$377.91
2000306

All '17 Harley-Davidson Milwaukee-Eight models

Bolt-in design utilizes stock springs and pushrods

$275.00

TTS-150

Designed to increase torque in the 2200-5200 RPM range.

Developed for 88-117 CID with stock heads and pistons. Not recommended for compression over:
- 10.2:1 Twin Cam
- 10.5:1 Milwaukee-Eight

FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR USE ON PUBLIC HIGHWAYS.

2000303 All '07 - '17 Harley-Davidson Twin Cams and '06 Dynas $377.91 product image
2000304

All 1999 - 2006 Harley-Davidson Twin Cams except '06 Dyna

Requires conversion to '07 - later style cam drive (see note 1 below)

$377.91
2000307

All '17 Harley-Davidson Milwaukee-Eight Models

Coming Soon

TTS-200

Designed to increase torque over a broad RPM range (1800-5500 RPM).

Developed for 107-120 CID with modified heads and pistons. Ideal for Stage III or IV kits.

Not recommended for compression over 11.0:1.

FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR USE ON PUBLIC HIGHWAYS.

2000308

All '17 Harley-Davidson Milwaukee-Eight Models

Requires:
- Use of high lift valve springs (such as H-D Performance Valve Springs, P/N 18100080)
- Modified valve reliefs in pistons

$275.00 product image

TTS-250

Designed to increase torque in the 2500-6000 RPM range.

Developed for 107-120 CID with modified heads and pistons. Ideal for Stage III or IV kits.

Not recommended for compression over 12.0:1.

FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR USE ON PUBLIC HIGHWAYS.

2000309

All '17 Harley-Davidson Milwaukee-Eight Models

Requires:
- Use of high lift valve springs (such as H-D Performance Valve Springs, P/N 18100080)
- Modified valve reliefs in pistons

Coming Soon product image

Note 1: 1999 - '06 Conversion to '07 Style Cam Drive System

All TTS camshafts for H-D Twin Cam engines are designed to utilize the more efficient 2007 - later cam drive system. This system uses hydraulic tensioners and oil pressure to maintain chain tension. The parts to complete this conversion are listed below and can be purchased from your local H-D dealer.

Description H-D P/N Qty
Cam support plate25355-061
Plate mounting screws
(recommended, but old screws can be reused)
4741A 8
Oil pump26037-061
Secondary cam drive chain25683-061
Rear cam sprocket (‘02-’06)25728-061
Crank sprocket25673-061
Primary cam drive chain25675-061
Retaining ring (front cam)114611
Primary chain tensioner39968-061
Secondary chain tensioner39969-061
Primary tensioner mounting screws9422
Secondary tensioner mounting screws4740A2
Cam spacer kit
(includes one spacer in each size
0.100", 0.110", 0.120", 0.130", 0.140", 0.150")
25928-06 1

In addition to the parts listed above, two modifications are necessary for use on '99-'06 H-D Twin Cam models (except '06 Dyna):