JS Speedshop
At JS Speed Shop, located in Mission, BC, we’re passionate about fuelling your adventurous spirit. As a leading provider of high-quality race parts
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CNC Automotive Custom Parts
Custom Crate Engines
Exhaust Systems for Duramax, Powerstroke, Cummins
Holley Performance
Terminator EFI
Legacy EFI
Terminator X
Sniper EFI
Wiring Shop
Modules And Sensors
Dominator EFI
Wiring EFI Harnesses
Gauges and Displays
EFI Distributors
Injectors
HP EFI
EFI Fuel System Components
Throttle Bodies
Holley EFI V5
JS Powersports
Performance Batteries
Edge Performance Tuners & Chips
High-Performance Parts for Diesel Trucks
In-Cabin Tuners and Monitors
Handheld Tuners
Tuner Mounts
Inline Tuning Modules
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Shop by Engine
All-in-One Kits
Cold Air Intakes
Delete Pipes
Exhaust Systems
Fuel Pumps
Tuners & Tuning Software
Delete Kits: DPF, EGR & DEF for Duramax, Powerstroke & Cummins
Diesel Parts
Top Sellers
JS Speed Shop Gear – Racing Shirts, Hoodies & Stickers
Sale and Clearance
Simpson Race Products: Helmets, Suits & Safety Gear
Simpson: Racing Gloves
Racing Helmets
Racing Suits
Simpson: Racing Head & Neck Restraints
Racing Shoes
Racing Undergarments
Window nets
Simpson: Drag Parachutes
Racing Seats
Featured products
Popular right now
CNC Made | Starter Bump Housing with Button | Precision Cont
USD 41.62
CNC Made | Push Button Insert | Precision Engineered for Per
USD 27.74
CNC Made | Push Start Button Insert | Reliable, Smooth Opera
USD 27.74
CNC Made | Turbo Flange T4 to 3-Inch V-Band | Precision Exha
USD 90.18
Crate Engine | 464 CID LS7 670 hp
USD 24,281.95
Smart Coil Mount
USD 104.06
CNC Made | Starter Bump Button Housing | Durable & Precise f
USD 27.97
Evolution CTS3 2020-2023 GM 2500/3500 6.6L Gas
USD 809.95
Holley EFI Fuel Tank Module - 255 LPH - Camaro and Firebird
USD 467.95
Sniper EFI Air Cleaner Assembly - 14" x 4" - Black
USD 155.95
A-Pillar Display Mount
USD 72.55
A-Pillar Display Mount
USD 72.55
A-Pillar Display Mount
USD 77.89
A-Pillar Display Mount
USD 74.65
A-Pillar Display Mount
USD 74.65
A-Pillar Display Mount
USD 87.15
A-Pillar Display Mount
USD 72.55
A-Pillar Display Mount
USD 65.99
A-Pillar Display Mount
USD 72.55
A-Pillar Display Mount
USD 77.89
A-Pillar Display Mount
USD 74.65
Comp Box
USD 849.95
Comp Box
USD 849.95
CS2/CTS2 Juice to CTS3 Upgrade Kit
USD 529.95