MYSTFREE

Stops Oil blow-by mist, PERIOD ...

The MYSTFREE was designed and patented by Doherty Machine, specifically for the Twin Cam 88.

In any Twin Cam 88, in good mechanical condition, the MYSTFREE completely eliminates oil blow-by emitted from the engines breather system, which in most cases ends up on the rider or side of the bike.

TEC #

Description

33395 Fits all Twin Cam 88
 
PowerPACC Air Cleaner Kit

 

High Performance Air Cleaner System provides dramatic out of the box performance gains of up to 15%.
Precision machined 1 Piece billet backing plate eliminates flimsy brackets
Uses aftermarket or stock style round or oval (TC88) air cleaner covers.
TEC #

Description

Doherty #
33419 Fits '99 to '01    Fuel Injected #1261
33413 Fits 2001-05   Fuel Injection #1240
33417 Fits 2001-05  Fuel Injection with Vents included #1240-TK
33412 Fits '99 up Twin Cam Carbureted #1235
33425 Fits '99 up Twin Cam to S&S Carb #1257
33420

Fits '91 up Sportster

#1238
 
Inline PowerVent

Stops rocker box and base gasket oil leaks caused by excessive crankcase pressure.
PowerVents are designed around a fast sealing one-way valve that prevents air from being sucked back into the crankcase on the upstroke of the piston.
Increases H.P., improves throttle response.
TEC # Description Doherty #
33400 Inline Power Vent 1116
 
PowerVent Twin Kit

PowerVent Twin Kit

Bolts directly to cylinder head breather outlets.
PowerVents are designed around a fast sealing one-way valve that prevents air from being sucked back into the crankcase on the upstroke of the piston.
Increases H.P., improves throttle response.
TEC # Description Doherty #
33403 Fits '91 up     Sportster #1122S
 
Air Cleaner Covers
Replaces all Twin Cam 88 and Evolution Big Twin covers when using most aftermarket backing plate kits.

Works great with Doherty Machine's® PowerPacc™ Air Cleaner Kit.

TEC # Description
33450 Smooth
33451 Grooved
 
Wheel Spacer Kits
Each Universal kit contains 22 various size polished wheel spacers ranging in thickness from ¼in to 3in.  Machined from T-6 Billet aluminum barstock.  (Sizes are indicated on compartment box).

Wheel Spacers are also sold in 4 packs.. Please call TEC for more info

TEC # Description
33455 Master Kit    3/4"
33480 Master Kit    1 inch
 
Stainless Steel Breather Bolt Kits

 

S&S Billet Choke Knob  

Oil Line / Breather Fittings

Breather Bolts - Hex HeadBreather Bolts - Button Head

S&S Billet Choke Knob

Shoulder-Less 3/8 x 1/8 NPT Oil Line Fittings
Kits include two high grade polished stainless steel breather bolts, and four nylon washers Fits S&S Super E and G Carbs, CNC machined billet aluminum w/ a polished finish. Replaces the stock enrichener lever.  Just pull up and twist to engage choke, provides simple operation of choke, and clean custom appearance. Straight 1/8 NPT x 3/8 hose Oil Line or Breather Fittings, precision machined out of 303 Stainless Steel,  tightens using ¼ allen wrench, provides clean simple appearance and installation

 

33436  Twin Cam 5/16  Hex Bolts TEC #   TEC #  
33438  Twin Cam 5/16  Buttonhead 33446 #1777 33440 #1787
 
Phantom Oil Filter Kits - Bolt-In

Phantom Oil Filter Kits - Weld in

 

Bolt-In

 

Weld in

Complete oil filter assembly that installs in the top of most horseshoe style oil tanks. Uses HD style replacement filter element. Ideal for builders desiring to install a high quality, efficient oil filter system where it cannot be seen.

Clears most aftermarket softail and rigid style frames.

Fully machined and polished from billet aluminum and 303 stainless steel.

Mounting flange uses O'ring seals for a trouble free installation. Easily serviced, just unscrew and replace cartridge. Complete hardware and detailed installation instructions included.

#1057 &#1057W

TEC #   TEC #  
33430 Phantom Oil Filter Kits Bolt-In 33431 Phantom Oil Filter Kits Weld in