MSD's Pro Power coils for the GM LS engine platform deliver higher spark energy and multiple sparks at idle rpm than the factory coils they replace, improving throttle response, idle quality, and high-rpm performance — ideal for built LS engines running nitrous or boost.
Specifications:
- Brand: MSD
- Category: Ignition Coil
- Type: Pro Power
- Color: Black
- Engine: GM Gen III/IV (LS)
- Part Type: Direct Ignition Coil Kit
- Quantity: Set of 8
- Sub Category: Ignition Coil
- C.A.R.B. EO #: D-722-4
- Part Number: 828583
Fits 1997-2004 GM cars w/VIN G/S and 1998-2006 GM trucks w/VIN E/D (8th digit); includes an additional 2-pin connector that must be plugged in for the coil to operate, used for optional ignition/timing control. Applications include Camaro, Corvette, Firebird, GTO, CTS, and various Chevrolet/GMC trucks.
Compliance: This ignition coil kit carries California Air Resources Board (CARB) Executive Order EO# D-722-4, making it legal for sale and use on Emissions Controlled Vehicles in all 50 states when installed per MSD's application guide.
FAQ
What engines does this coil fit?
It's built for GM Gen III/IV LS1/LS6 engines, fitting 1997-2004 GM cars w/VIN G/S and 1998-2006 GM trucks w/VIN E/D (8th digit).
Do I need to connect the 2-pin connector?
Yes. The 2-pin connector must be plugged into the coil or it will not operate; it's used for optional ignition/timing control.
Is this coil CARB legal?
Yes, it carries CARB Executive Order EO# D-722-4, making it legal for sale and use on emissions-controlled vehicles in all 50 states when installed per MSD's application guide.
What performance benefit does this coil offer over the factory coil?
It delivers increased spark energy and voltage with multiple sparks at idle rpm, improving throttle response, idle quality, and high-rpm performance.

