Performance Modifications

Flap / Aileron / Flap-Fuselage / Stabilator Gap Seal Kit. Piper PA-28 Models. 28HGS

  The KNOTS 2U gap seal kit is the most complete on the market, as well as the most popular.  It not only offers the flap and aileron seals, but also a stabilator seal for in front of the trim tab, and a flap/fuselage seal to cover the...

Flap Gap Seal Kit. Piper PA-28 Models. 28FLAPH

Flap seals are made of 2024T3 Alclad aluminum for lighter weight and superb strength. They're coated with a plastic anti-chaff strip where the seal comes into contact with the control surface to prevent any abrasion. Flap Seals add 2-3 mph in cruise...

Aileron Gap Seal Kit. Piper PA-28 Models. 28AILH

Aileron seals are made of 2024T3 Alclad aluminum for lighter weight and superb strength. They're coated with a plastic anti-chaff strip where the seal comes into contact with the control surface to prevent any abrasion. Flap Seals add 2-3 mph...

Stabilator Gap Seal Kit. Piper PA-28 Models. 28STABH

  The Stabilator Gap Seal closes the gap between the trim tab and the stabilator.  It has proven very effective for additional speed and stabilator authority.  It is available separate or included in the complete gap seal kit. Part...

Flap/Fuselage Gap Seal Kit. Piper PA-28 Models. 28FFH

  The Flap/Fuselage Gap seal fills the gap between the inboard edge of the flap and the fuselage.  It incorporates a radius at the trailing edge to relieve the vortex created at the 90 degree junction.  It is available separately...

Wing Root Fairing Kit. Piper PA-28, PA-32 and PA-34 Models.

The Knots 2U Wing Root Fairing Kit is one of our most popular modifications for Piper Aircraft. By smoothing the sharp junction at the leading edge of the wing, where it meets the fuselage, drag is reduced and the air over the wing is cleaner...

Flap Hinge Fairing Kit. Piper PA-28 Models. 28HF

Flap Hinge Fairings reduce drag by smoothing the airflow over the forward facing u-channel and flap attachment bolts. These will add 1-2 mph in cruise speed. Some large bulky variations on the market today use the "if it looks good it must be good"...

Main Gear Fairing Kit, Piper PA-28 Models. 28GF

The Knots 2U Main Gear Fairing kit is unlike any other on the market.  It attaches to your existing wheel pants and covers the brakes, torque links, brake lines, and struts while maintaining a small sleek profile.  In addition a fairing is...

Hub Cap W/Access Door. 6" Wheel (Set of Two) LSM-200-701-1

Part Number: LSM-200-701-1      Approval Basis: Supplemental Type Certificate No(s) SA01224AT Replaces: n/a  Aircraft Eligibility: Bonanza 33, 35, 36 Series, Beech 19, 23, 24, 58 SeriesCessna C-150,...

Vortex Generator Kit, Piper PA-28 Series

Benefits Reduced STALL SPEED 5 MPH! FAA STC Approved Easy One Day Installation Improved Characteristics Complete Kit VG Locations Micro VG Kit consists of 88 Vortex Generators mounted FULL SPAN on the wings, just aft of the leading...

Extended Wing Tips With Landing Lights. Piper PA-28. Set of Two.

STC SA1228CE approves the installation of new-style extended wingtips with recognition lights on the following Piper airplanes: PA-28-140, -150, -160 (all serial numbers)PA-28-180 (serial numbers 28-1 through 28-7205318).The modification extends the...

2 Pc Dorsal Fin STC Kit. Piper PA-28 Early Models. ISH28006

This kit is designed for early Piper PA-28 models. It replaces the small dorsal with the larger 2 pc dorsal found on the later model Pipers.  The forward section is riveted to the fuselage while the aft section is installed...