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Attitude Performance Products

Their mission at Attitude Performance Products is to provide superior parts made of the highest quality materials available. They do not compromise; they provide the best products in the industry. Stronger, faster, better. Attitude gives authority to your engine!

They LOVE Diesels and want to enhance the excitement for the diesel enthusiast by providing performance products from delivery valve holders, to fuel rail plugs of all types, to freeze plugs, to rack caps. These items enable the user to modify their engines for fuel control, optimum power, increased fuel economy, increased power, lower EGT’s, higher boost, longer engine life, and many other facets of Diesel engine enhancement.

Attitude Performance Products takes pride in promoting internal research and development, tested and proven by external sources. Their design solutions bring new excitement for diesel enthusiasts. With the rise of high-performance engines, APP’s contributions to the industry will help you stay ahead of the competition. Their recent additions to the product line are new to the industry:  The Adjuster mechanical chip which provides full fuel control of the 12-valve Cummins—or any engine equipped with a Bosch P7100 Injection Pump; the Billet Aluminum oil squirters for the Cummins that lubricates the piston and replaces plastic squirters that are prone to fail; and the Saddle Jet Plugs for the ’03 to current Cummins.

Attitude is focused on quality. Stated very simply, it improves reliability. Their products are Made in America from the finest materials with the finest workmanship.

Brand: Attitude Performance Products Part Number: 1009
APP’s Side Freeze Plug—bolt on with O ring will eliminate blown freeze plugs on Cummins engines due to high rpm and increased coolant pressures in modified engines.  It's also a great way to dress up your diesel engine as the engine is usually black, and the freeze plugs are a shiny aluminum.• ..
$45.99
Brand: Attitude Performance Products Part Number: ATT1020
Discontinued (Updated 1/8/2024) Got a Dodge 1994-1998 Dodge 5.9L 12-valve Cummins? Got an engine with a P-7100 Pump? You need The ADJUSTER From optimum economy to max power on the fly from inside the cab! The ADJUSTER by Attitude (pat pend)  (formerly Attitude Adjuster) give..
$0.00
Brand: Attitude Performance Products Part Number: 1210
DISCONTINUED (Updated 1/4/2024)The Attitude Performance Products 1210 The Adjuster Optional Fuel Profile #10 is an add-on to your Attitude Performance Products The Adjuster. The optional Fuel Profiles create a fuel curve based on RPM with multiple profile variations to fit your needs. Made in the US..
$0.00
Brand: Attitude Performance Products Part Number: 1205
The Attitude Performance Products 1205 The Adjuster Optional Fuel Profile #5 is an add-on to your Attitude Performance Products The Adjuster. The optional Fuel Profiles create a fuel curve based on RPM with multiple profile variations to fit your needs. Made in the USA and designed only to work with..
$27.99
Brand: Attitude Performance Products Part Number: 2004
DISCONTINUED (6-23-23)The Attitude Performance Products 2004 LB7 Fuel Rail Plug for your 2001-2004 GM 6.6L Duramax is designed to replace the stock pressure relief valve. This valve helps maintain fuel rail pressure during heavy engine load conditions, while eliminating the potential for low fuel ra..
$0.00
Brand: Attitude Performance Products Part Number: 1003
Discontinued!CHEAP INSURANCE!  Don’t jeopardize horsepower or torque…..maintain your important fuel rail pressure when running a high performance or modified engine!  APP’s 5.9L Fuel Rail Plug for Cummins Diesel Engine (aka Race Plug), replaces the stock pressure relief valve on the Dodge..
$0.00
03-22 Dodge Ram 5.9L/ 6.7L Cummins Attitude Performance CP3 Access Cover
Backordered
Brand: Attitude Performance Products Part Number: 1001
DISCONTINUED (6-13-23)This cover provides access to the pump nut.  Forget about the plastic stock covers that can crack, break or have stripped threads.  AND you might just want to look good!  Made in the USA of Military-grade Billet 6061 Aluminum.    Has 17mm hex head for ..
$0.00
Brand: Attitude Performance Products Part Number: 4001
DISCONTINUED (6-23-23)CHEAP INSURANCE!  APP’s 6.7L Fuel Rail Plug (sometimes referred to as race plug) replaces the stock pressure relief valve. Why is that so important?  It maintains fuel rail pressure under heavy engine load conditions—eliminating changes/decrease of rail pressure.• &nb..
$0.00
Brand: Attitude Performance Products Part Number: 1015-6
DISCONTINUED (6-23-23)The Attitude Performance Products 1015-6 Piston Oil Squirters replace the factory plastic squirters in your 1989-2002 Dodge 5.9L Cummins. These are a must-have for anyone building a performance engine. The original factory oil squirters are made from plastic and can fail at any..
$0.00
Brand: Attitude Performance Products Part Number: 1010-1
DiscontinuedMODIFYING YOUR ENGINE?NOW is the time to replace those press-fit freeze factory plugs!APP’s Rear BOLT-ON Freeze Plug will eliminate blown or leaking freeze plugs due to high rpm and increased coolant pressure in modified engines.  Please note: if the factory freeze plug fails or lea..
$0.00
Brand: Attitude Performance Products Part Number: 1005S
DISCONTINUED (6-23-23)Increase underhood space on your 1994-2017 Dodge Ram 2500/3500 Pickup with the Attitude Performance 1005S Low Profile Shock. Precision laser cut from 1/4" 304 stainless steel, APP's Low Profile Shock mounts allow you to reclaim space under the hood for larger turbochargers, int..
$0.00
Brand: Attitude Performance Products Part Number: 1208
DISCONTINUEDThe Attitude Performance Products 1208 The Adjuster Optional Fuel Profile #8 is an add-on to your Attitude Performance Products The Adjuster. The optional Fuel Profiles create a fuel curve based on RPM with multiple profile variations to fit your needs. Made in the USA and designed only ..
$0.00
Brand: Attitude Performance Products Part Number: APP-1006
DISCONTINUED (6-23-23)Who DOESN’T want more fuel flow?  It’s all about Diesel Performance. These holders DO NOT include delivery valve holder o-rings. APP’s Billet Delivery Valve Holders create more fuel flow for the Bosch P7100 injection pump.  The APP #1006 Holders have no internal..
$0.00
Brand: Attitude Performance Products Part Number: ATT1007
DISCONTINUEDThe CHEAPEST HORSEPOWER you can buy!APP's Billet Rack Cap (also sometimes called the rack plug), made of the highest quality Billet Aluminum, allows full rack travel of the Bosch P7100 injection pump.  The Attitude Rack Cap is drilled to 17mm, which is 4mm deeper than a stock rack c..
$0.00
Brand: Attitude Performance Products Part Number: 1008
Discontinued 02/05/2024 Solves TWO Problems:     no more cracked or broken caps—no leaks no more worn hoses due to rubbing —provides additional clearance for hoses, clamps & fitting of modified engine   Made in the USA of Military-grade Billet 606..
$0.00
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