High Amp (400a) Wiring Upgrade Kit

Features:

• Supports alternators up to 400 amps
• Upgrades charge, ground, and chassis cables
• Pure copper 5285-strand cable construction
• Zero gauge ultra-flexible OFC cable
• Includes 4 feet of positive and ground cable
• Comes with 400 amp ANL fuse and holder
• Includes heavy-duty crimpable cable ends
• Improves electrical flow and charging efficiency
• Ideal for stock or high-output alternators
• Durable hyperflex frosted cable jacket

Upgrade your Cables with Sinister Diesel

If you’re upgrading to a high-output alternator, or just want to get the most out of your factory setup, the Sinister 400 Amp Wiring Upgrade Kit is a smart move. Factory wiring often struggles to keep up with increased demand, especially if you're running aftermarket lighting, audio systems, or other high-draw accessories. This kit gives your charging system the heavy-duty support it needs to stay efficient and reliable. It comes with everything you need to upgrade your alternator charge cable, alternator ground, and chassis ground. The cables are made from ultra-flexible, 5285-strand pure copper, wrapped in a durable frosted jacket that can handle serious current without breaking a sweat. Each cable is zero gauge, making it perfect for alternators pushing up to 400 amps.

Fits: Universal

Kit Includes:

• (2) 4 feet of Black OFC Zero gauge ultra-flexible ground cable
• 4 feet of Blue OFC Zero gauge ultra-flexible positive cable 
• ANL Fuse holder
• 400 amp ANL fuse 
• (3) heavy duty cable ends (That will need to be crimped)  with 3/8" diameter hole
• (6) 2" heat shrink sealing tubes

Notes:

• Universal fit for most high-amp alternator setups
• Supports alternators producing up to 400 amps
• Ideal for vehicles with aftermarket accessories
• Improves alternator output and charging consistency
• Includes upgraded charge, ground, and chassis cables
• Kit uses 0-gauge ultra-flexible OFC copper cables
• Comes with ANL fuse holder and 400 amp fuse
• Frosted jacket resists heat, wear, and corrosion
• Heavy-duty cable ends must be crimped during install
• Crimping tool is required and not included
• Useful upgrade for both factory and custom builds
• Helps reduce voltage drop under high electrical load