Golf Cart Performance Upgrades
Add high-amp controllers, motors, and AC conversion kits to unlock the full potential of your cart because a powerful lithium battery deserves performance parts that match its power.
Unleash raw power and smooth acceleration—your cart never looked so capable.
✅ High-amp controllers (440A–840A) for blistering acceleration
✅ Complete DC‑to‑AC conversion kits for cleaner, more efficient power delivery
✅ Performance motors designed to conquer hills and handle heavy loads
✅ Compatible with Club Car, EZGO, Yamaha, and other carts
✅ Plug-and-play wiring and harnesses make DIY upgrades painless
Extreme Kartz’s Performance Upgrades transform average drives into adrenaline-filled rides. Whether you're climbing steep fairways, fishing remote trails, or navigating loads of passengers, your cart performs with confidence. These kits pair effortlessly with your lithium system and unlock performance you can feel—ride harder, smarter, longer.
Upgrade with precision and power
Elevate your build by pairing these gains with Navitas controllers for precision tuning, or explore SilverWolf's Teekon 840A motor systems for top speed performance. These upgrades don’t just add power—they redefine what your cart can do. Dive deeper and ride stronger.
Golf Cart Performance Upgrades
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Vendor: Navitas Controller On-the-Fly Programmer All Models
(57% Off)Regular price $79.99$79.99 Regular priceUnit price per$184.50Sale priceShips in 1-2 DaysYou save $104.51(57% Off)Ships in 1-2 DaysOn Sale -
Vendor: Icon / Advanced EV Navitas TAC2 Controller Kit - 600 amp or 440 amp - for NEOS controller replacements
(17% Off)Regular price $950.00$950.00 Regular priceUnit price per$1,150.00Sale priceShips in 1-2 DaysYou save $200.00(17% Off)Ships in 1-2 DaysOn Sale -
Vendor: Curtis Albright 350A 72V Solenoid
(20% Off)Regular price $198.95$198.95 Regular priceUnit price per$248.69Sale priceShips in 1-2 DaysYou save $49.74(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Admiral Club Car IQ On Board Computer Bypass
(20% Off)Regular price $134.95$134.95 Regular priceUnit price per$168.69Sale priceShips in 1-2 DaysYou save $33.74(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Navitas Star EV 48V 600A 5kW AC-DC Conversion Kit - Replaces 1268 Non-ITS
(20% Off)Regular price $2,000.00$2,000.00 Regular priceUnit price per$2,500.00Sale priceShips in 1-2 DaysYou save $500.00(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Alltrax XCT Bluetooth Module – Wireless Controller Upgrade
(17% Off)Regular price $164.98$164.98 Regular priceUnit price per$197.99Sale priceShips in 1-3 DaysYou save $33.01(17% Off)Ships in 1-3 DaysOn Sale -
Vendor: Navitas 440-Amp 36/48 Volt Series Controller Kit E-Z-GO
(18% Off)Regular price $770.00$770.00 Regular priceUnit price per$938.00Sale priceShips in 1-2 DaysYou save $168.00(18% Off)Ships in 1-2 DaysOn Sale -
Vendor: Yamaha G14 - G16 Navitas Control Adapter
(27% Off)Regular price $119.95$119.95 Regular priceUnit price per$163.97Sale priceShips in 1-2 DaysYou save $44.02(27% Off)Ships in 1-2 DaysOn Sale -
Vendor: Alltrax Bad Boy Buggie 4WD Controller Kit Golf Cart Model: XTO
(20% Off)Regular price $2,384.00$2,384.00 Regular priceUnit price per$2,980.00Sale priceShips in 1-3 DaysYou save $596.00(20% Off)Ships in 1-3 DaysOn Sale -
Vendor: Club Car Wire Harness 48V Reg to IQ Controller Conversion (Years 1996-2000)
(20% Off)Regular price $144.95$144.95 Regular priceUnit price per$181.19Sale priceShips in 1-2 DaysYou save $36.24(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Navitas E-Z-GO PDS 36/48V Harness
(31% Off)Regular price $78.90$78.90 Regular priceUnit price per$113.63Sale priceShips in 1-2 DaysYou save $34.73(31% Off)Ships in 1-2 DaysOn Sale -
Vendor: Navitas 600AMP Golf Cart Controller Kit Columbia PAR CAR Sevcon
(20% Off)Regular price $850.00$850.00 Regular priceUnit price per$1,063.00Sale priceShips in 1-2 DaysYou save $213.00(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Vehicle Harness, Navitas TSX for Club Car (IQ) Harness
(20% Off)Regular price $89.95$89.95 Regular priceUnit price per$112.44Sale priceShips in 1-2 DaysYou save $22.49(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Admiral Speedometer, Digital GPS, Multi-Function
(20% Off)Regular price $194.95$194.95 Regular priceUnit price per$243.69Sale priceShips in 1-2 DaysYou save $48.74(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Navitas EZGO ITS 48V 5kW 600a AC Conversion Kit - Replaces 1268 W/ITS SEPEX
(20% Off)Regular price $2,000.00$2,000.00 Regular priceUnit price per$2,500.00Sale priceShips in 1-2 DaysYou save $500.00(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Navitas E-Z-GO TXT 1206HB 48V Harness
(31% Off)Regular price $78.90$78.90 Regular priceUnit price per$113.63Sale priceShips in 1-2 DaysYou save $34.73(31% Off)Ships in 1-2 DaysOn Sale -
Vendor: Universal Speedometer/Camera Bracket, Tilt Angle, Steering Column Mount with Hardware
(20% Off)Regular price $39.95$39.95 Regular priceUnit price per$49.94Sale priceShips in 1-2 DaysYou save $9.99(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: RESISTOR, PRECHARGE FOR 36 VOLT 400 AMP SOLENOID
(20% Off)Regular price $44.95$44.95 Regular priceUnit price per$56.19Sale priceShips in 1-2 DaysYou save $11.24(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Navitas TAC2 600 A E-Z-GO L6/S4 72 V Control W/ Module
(20% Off)Regular price $945.00$945.00 Regular priceUnit price per$1,174.96Sale priceShips in 8 WeeksYou save $229.96(20% Off)Ships in 8 WeeksOn Sale -
Vendor: Solenoid, 36V 4 Terminal Copper, Club Car 88-00 All V-Glide Models
(20% Off)Regular price $58.95$58.95 Regular priceUnit price per$73.69Sale priceShips in 1-2 DaysYou save $14.74(20% Off)Ships in 1-2 DaysOn Sale -
Vendor: Alltrax AC1 TXT AC Conversion Kit. Fits EZGO TXT
(20% Off)Regular price $2,100.00$2,100.00 Regular priceUnit price per$2,625.00Sale priceShips in 1-2 DaysYou save $525.00(20% Off)Ships in 1-2 DaysSold out -
Vendor: Alltrax AC1 Club Car Precedent/Tempo/Onward DC to AC Conversion Kit for 2008+
(20% Off)Regular price $2,100.00$2,100.00 Regular priceUnit price per$2,625.00Sale priceShips in 1-2 DaysYou save $525.00(20% Off)Ships in 1-2 DaysSold out -
Vendor: Speedometer, Multi-function, Universal
(20% Off)Regular price $319.95$319.95 Regular priceUnit price per$399.94Sale priceShips in 1-2 DaysYou save $79.99(20% Off)Ships in 1-2 DaysSold out
