World Famous
Dub Jett Pylon Racing Engines

Winners of countless races and championships

- Quickie-Jett AMA 426 Class Q-500 .40 Pylon Racing Engine -

Jett 426 engine Jett 426 engine

The rules specified .40 size engine for AMA national class 426 Q-500 pylon racing. Smooth, durable, precise and powerful! Engine provided with 426 class specific muffler, intake venturi (no carb), Q-500 style remote needle valve and spinner nut.
Note: Backplate is NOT included. Permits use of your existing Jett compatible Q-500 backplate mount, or add on optional Jett Q-500 firewall conforming backplate mount as shown in photo (see below)

Prop selection for racing is ultimately up to the racing pilot. Target a prop that will permit a ground peak rpm above 18,500 rpm. Typical props include the APC D series Q-500 props such as 8.8 x 8.75, 8.8 x 9. This engine uses "Nelson" type glow plugs, and we recommend the Merlin "hot" 1125A
Specifications using APC propellers and 15% nitro fuel - Weight shown with muffler, plug and prop nut.

Engine

RPM

Prop

Weight

Price

Add To Cart

426 Q-500 .40 engine w/muffler and RNA 19,000+ 8.8x8.75 16.0 $260.00

Accessories

Price

Add To Cart

MUFFLER FOR JETT Q-500 426 $65.00
Conformal Backplate Engine Mount- Square Q-500 $38.00
Standard Engine Backplate - Jett 40-50 $10.00
Bearing Set for Jett .40-.76L, includes front and rear bearings $30.00
Set of Head Shims for Jett .40/426, includes (2each) .001, .002 and .004 $10.00
Merlin 1125A HOT HD racing glow plugs - RED - 5 pack $30.00
Q-500 type Remote Needle Valve Assembly $30.00
APC LP088875 8.8 x 8.75 Q-500 propeller(see accessories for other sizes) $4.00
Integral Spinner 1.5in dia counter balanced - JETT (see accessories for others) $40.00
Machined aluminum spinner nut - 1/4-28 thread $10.00

The most user friendly racing engine you will ever own.

Ultimate Performance For Quarter Midget Racing
Dub Jett QM40 Racing Engines 422
Engine shown with optional integral spinner - three diameters available (see below)
Dub Jett QM40 Racing Engines 422

- QM40 AMA 422 Class .40 Quarter Midge Pylon Racing Engine -

Simply a legacy of winning! Multiple-time AMA 422 Nationals and NMPRA championship engine. Precision crafted with the torque, power, durability and reliability that world class pilots demand. Bring your QM40 aircraft across the finish line a winner! The JETT QM40 features our machined bar stock version QM40 muffler, 422 class legal venturi intake, and a right-angle spraybar that makes fuel feed lines easy to install. Integral Spinner pictured and Remote Needle Valve assembly are not included and can be selected as optional accessories to suit your specific aircraft.

Prop selection for racing is ultimately up to the racing pilot. Target a prop that will permit a ground peak rpm above 23,500 rpm. Suggested props include the APC QM-40 props such as 7.4 x 7.5 and 7.4 x 7.6 carbon fiber AMA legal propellers. This engine uses Nelson and Merlin 1125A glow plugs.
Specifications using APC propellers and 15% nitro fuel - Weight shown with muffler, plug and spinner.

Engine

RPM

Prop

Weight

Price

Add To Cart

QM40 .40 Quarter Midget engine w/muffler 28,000+ 7.4 x 7.6 15.5 $400.00

Accessories

Price

Add To Cart

QM40 Beam Engine Mount with Integral Needle Valve Assembly $65.00
APC LP07477C 7.4 x 7.6 carbon propeller (see accessories for other sizes) $10.00
Nelson HD racing glow plugs - 5 pack $30.00
Merlin 1125A HOT HD racing glow plugs - RED - 5 pack $30.00
Q-500 type Remote Needle Valve Assembly (see accessories for others) $30.00
Integral Spinner 1.5in dia counter balanced - JETT $40.00
Integral Spinner 1.75in dia counter balanced - JETT $40.00
Integral Spinner 2.0 in dia counter balanced - JETT $45.00

Legacy Quickie-Jett 2 Q-500
Dub Jett 428 class Q-500 Racing Engine

- QJ40 AMA 428 Class .40 Q-500 Pylon Racing Engine -

Originally design for AMA 428 class Q-500 competition, this engine is still a world-wide favorte for Q-500 racing. Updated design produces amazing torque and the RPM you expect and need from a quality racing engine. The Quickie-Jett 2 features our machined bar stock version 428 legal Q500 muffler, venturi intake (no air valve), spinner nut and Q-500 type remote needle valve assembly. Integral spinner pictured and square conformal backplate engine mount can be selected as optional accessory.

Prop selection for racing is ultimately up to the racing pilot. Target a prop that will permit a ground peak rpm above 19,000 rpm. Suggested props include the APC D series props such as 8.8 x 9. This engine uses "Nelson" type glow plugs, and we recommend the Merlin "hot" 1125A
Specifications using APC propellers and 15% nitro fuel - Weight shown with muffler, plug and prop nut.

Engine

RPM

Prop

Weight

Price

Add To Cart

QJ40 .40 Q-500 428 engine w/muffler 20,000+ 8.8 x 9 16.0 $400.00

Accessories

Price

Add To Cart

Conformal Backplate Engine Mount- Square Q-500 $38.00
APC LP088875 8.8 x 9.0 Q-500 propeller (see accessories for other sizes) $4.00
Merlin 1125A HOT HD racing glow plugs - RED - 5 pack $30.00
Q-500 type Remote Needle Valve Assembly (see accessories for others) $30.00
Integral Spinner 1.5in dia counter balanced - JETT (see accessories for others) $40.00
Machined aluminum spinner nut - 1/4-28 thread $10.00