Commerceinstruments Best Selling Products

Nitrous Express

Nitrous Express Stand Alone Fuel Enrichment System w/External Fuel Pump/Fuel Regulator/3qt Tank

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$262.49

The Nitrous Express SAFE (Stand Alone Fuel Enrichment) system improves the performance of any nitrous system. The SAFE system includes a 3 quart, high-strength,...

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Nitrous Express

Nitrous Express Lightning 500 Bottle Valve (Fits 15lb Bottles)

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$125.39

The Lightning 45 is the first nitrous specific valve ever produced in light weight aluminum. Manufactured from 6061T6 billet aluminum and pressure tested to...

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Nitrous Express

Nitrous Express Lightning 500 Bottle Valve (Fits 10lb Bottles)

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$125.39

The Lightning 45 is the first nitrous specific valve ever produced in light weight aluminum. Manufactured from 6061T6 billet aluminum and pressure tested to...

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Nitrous Express

Nitrous Express Composite Bottle w/Lightning 500 Valve (6.79 Dia x 23.25 Tall)

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$1,050.42

The lightest nitrous bottle on earth! Imagine a 10lb capacity nitrous bottle that weighs only 17lbs full of nitrous, that s a 7.5 lb....

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Nitrous Express

Nitrous Express 15lb Bottle w/Lightning 500 Valve (6.89 Dia x 26.69 Tall) w/Gauge

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$419.99

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow bottle valve and nitrous pressure gaugeCertificate of OriginWarrantyWith 0-1500psi Pressure...

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Nitrous Express

Nitrous Express 15lb Bottle w/Lightning 500 Valve (6.89 Dia x 26.69 Tall) w/ -6 AN Nipple

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$375.99

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow bottle valve.WarrantyNitrous Bottle

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Nitrous Express

Nitrous Express 15lb Bottle w/Lightning 500 Valve (6.89 Dia x 26.69 Tall)

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$375.99

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow bottle valve.WarrantyCertificate of OriginLightning 500 Bottle Valve

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Nitrous Express

Nitrous Express Stand up Billet Bottle Bracket for 10lb Bottle (Bar Mount)

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$373.45

Nitrous Express Stand up Billet Bottle Bracket for 10lb Bottle (Bar Mount)WarrantyBar Mount Billet Bottle Brackets

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Nitrous Express

Nitrous Express Billet Bracket for Dual 10 Or 15lb N2O Bottle Incl Floor Mounts

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$437.13

Nitrous Express Billet Bracket for Dual 10 Or 15lb N2O Bottle Incl Floor MountsCertificate of OriginWarrantyBillet Nitrous Bottle Bracket

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Nitrous Express

Nitrous Express Billet Bracket for 10 Or 15lb N2O Bottle Incl 1-5/8in Bar Mounts

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$373.45

Nitrous Express Billet Bracket for 10 Or 15lb N2O Bottle Incl 1-5/8in Bar MountsCertificate of OriginWarrantyBillet Nitrous Bottle Bracket

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Nitrous Express

Nitrous Express Billet Bracket for 10lb/15lb N2O Bottle (Incl Floor Mounts)

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$355.66

Nitrous Express Billet Bracket for 10lb/15lb N2O Bottle (Incl Floor Mounts)WarrantyCertificate of OriginEasy Bottle Replacement w/ No Tools

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Nitrous Express

Nitrous Express NX Automatic Remote Bottle Opener

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$381.61

Nitrous Express introduces the 'Next Generation' in nitrous bottle openers. Designed to work with NX Lightning Series Valves but may work with others. Made...

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Nitrous Express

Nitrous Express 10lb Bottle w/Lightning 500 Valve (6.89 Dia x 20.19 Tall) w/Gauge

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$345.99

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow bottle valve and nitrous pressure gaugeWarrantyCertificate of OriginWith 0-1500psi Pressure...

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Nitrous Express

Nitrous Express 10lb Bottle w/Lightning 500 Valve -6 Bottle Nipple (6.89 DIA. X 20.19 TALL)

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$305.39

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow billet aluminum and back anodized Lightning 45 bottle valve.WarrantyNitrous Bottle

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Nitrous Express

Nitrous Express 10lb Bottle w/Lightning 500 Valve (6.89 Dia x 20.19 Tall)

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$305.39

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow billet aluminum and back anodized Lightning 45 bottle valve.Certificate of...

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Nitrous Express

Nitrous Express 5lb Bottle w/Lightning 500 Valve (5.25 Dia x 17.64 Tall)

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$243.80

NX nitrous bottles feature a tough and attractive white powdercoated finish. Includes a high flow billet aluminum and back anodized Lightning 45 bottle valve.Certificate...

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Nitrous Express

Nitrous Express 2.5lb Bottle w/Motorcycle Valve (4.38 Dia x 12.37 Tall)

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$209.27

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow bottle valve.Certificate of OriginWarrantyTough And Attractive Powder coated Finish

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Nitrous Express

Nitrous Express 1lb Bottle w/Motorcycle Valve (3.2 Dia x 9.83 Tall)

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$171.97

NX nitrous bottles feature a tough and attractive powdercoated finish. Includes a high flow bottle valve.Certificate of OriginWarrantyTough And Attractive Powder coated Finish

-13%

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MOMO

MOMO Steel Sidemounts (2)

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$189.00 $163.06

MOMO Steel Sidemounts (2)

-16%

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MOMO

Momo MOD78 Steering Wheel 350 mm - Black Suede/Black Spokes

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$279.00 $233.69

Momo MOD78 Steering Wheel 350 mm - Black Suede/Black Spokes

-19%

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MOMO

Momo Prototipo 6C Steering Wheel 350 mm - Black Leather/Gry St/Cbn Fbr Spoke

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$629.00 $508.37

Momo Prototipo 6C Steering Wheel 350 mm - Black Leather/Gry St/Cbn Fbr Spoke

-18%

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MOMO

Momo Int. Camlock 6pt Clip In Restraint-Red

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$475.00 $387.51

Momo Int. Camlock 6pt Clip In Restraint-Red

-9%

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MOMO

Momo Automatico Shift Knob - Aluminum, Chrome Insert

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$119.00 $108.12

Momo Automatico Shift Knob - Aluminum, Chrome Insert

-9%

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MOMO

Momo 1992 MR2 Steering Wheel Hub Adapter

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$119.00 $108.12

Momo 1992 MR2 Steering Wheel Hub Adapter

-9%

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MOMO

Momo Steering Wheel Hub Adapter FITS: Subaru WRX - MOM7310

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$119.00 $108.12

Momo Subaru WRX Steering Wheel Hub Adapter

-9%

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MOMO

Momo 1992 Steering Wheel Hub Adapter FITS: Honda Civic - MOM4911

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$119.00 $108.12

Momo 1992 Honda Civic Steering Wheel Hub Adapter

-9%

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MOMO

Momo 94-98 3-Series Steering Wheel Hub Adapter Hub Adapter Racing FITS: BMW - MOM2011

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$119.00 $108.12

Momo 94-98 BMW 3-Series Steering Wheel Hub Adapter Hub Adapter Racing

-9%

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MOMO

Momo 89-98 3-Series/8-Series Steering Wheel Hub Adapter FITS: BMW - MOM2008

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$119.00 $108.12

Momo 89-98 BMW 3-Series/8-Series Steering Wheel Hub Adapter

-16%

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Mishimoto

Mishimoto AN Hose Assembly Kit

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$417.00 $348.21

If you're expecting to assemble numerous -AN fittings, having a complete assembly kit is an easy way to reduce time, frustration, and failed connections...

-8%

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Manley Performance

Manley Performance Manley 13+ (FA20) 86mm STD (Grade B) Bore 10:1 Dish Piston (SINGLE PISTON) FITS: Subaru BRZ - MAN632600CB-1

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$203.35 $187.08

Our signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on...

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Manley Performance

Manley Performance Manley Ring Set EJ205WRX / EJ257 100mm File Fit 1.2mm x 1.2mm x 2.0mm - Set of 4 FITS: Subaru WRX STi - MAN461000DT-4

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$182.36

Manley Performance offers a comprehensive range of high-quality piston rings, meticulously engineered to provide a reliable and durable seal. Manley offers Premium Steel Top...

-13%

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Manley Performance

Manley Performance Manley 5.7L/6.4L Hemi 5/16in .080in Wall Chrome Moly Swedged End Pushrods (8 INT/8 EXH) FITS: Dodge - MAN26640

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$231.91 $200.95

Manley Performance Pushrods are engineered to deliver uncompromising strength, stiffness, and valvetrain stability in today’s high-performance engines. Manufactured from premium materials and precision heat-treated...

-9%

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Manley Performance

Manley Mazda Speed 3 MZR 2.3L DIDSI Turbo 22.5mm Pin H-Beam Connecting Rod Set

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$615.85 $554.27

When it comes to H-Beam connecting rods, not all are created equal. Manley H-Beam Series stands out as a superior choice, offering exceptional quality...

-18%

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KONI

Koni Alpine Peak Shock - Front

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$364.75 $295.58

Koni Alpine Peak Shock - Front

-18%

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KONI

Koni Freightliner VFS FSD Front Shock Absorber FITS: EVO - KON9905 1035

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$348.27 $282.90

Koni Freightliner VFS EVO FSD Front Shock Absorber

-39%

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King Engine Bearings

King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STDX

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$287.75 $173.00

King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STDXThis Part Fits: Year Make Model Submodel 2016-2018 BMW 340i Base 2017-2019...

Items 12025 to 12060 of 14330 total

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Hard Folding Tonneau Covers — Security, Style & Weather Protection

Hard folding tonneau covers are the best balance of security, weather sealing, and bed access. Unlike soft roll-up covers, the hard folding design uses rigid aluminum or fiberglass panels that lock in place — protecting bed contents from theft and from weather without permanently closing off bed access. They fold in thirds (or quarters) to give you full bed access when you need it.

Why Hard Fold Over Soft or Retractable

Security: Rigid panels with locking mechanisms resist cut-and-grab theft that soft vinyl covers are vulnerable to
Weather sealing: Tight panel-to-panel seals and perimeter weatherstripping keep rain and snow out better than most soft covers
Bed access: Fold open in 15 seconds — full bed length available for oversized loads without removing the cover
Aerodynamics: Flat closed profile improves fuel economy vs open bed or soft covers that billow at speed

Panel Construction

Extruded aluminum panels with powder coat finish are the most common and most durable construction. Fiberglass panels offer a higher-gloss finish but are heavier. ABS plastic panels are lightweight but less dent-resistant. All three seal effectively in most climates.

Brands We Carry

BAKFlip · Extang Solid Fold · Access UltraFlip · Lund Genesis · UnderCover Flex. All matched to your truck year/make/model and bed length. No drilling required — clamp-on installation.

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