Granatelli Motor Sports Hot Street Coil-On-Plug Coil Set

Fits Most Chrysler/Dodge/Jeep/Ram (05-21)

Part #: 28-0504-CP

Overview

The Granatelli Motor Sports 65 KV Hot Street Coil-On-Plug Coil Set is a direct performance replacement ignition coil designed specifically for Dodge, Jeep, Chrysler, and Ram vehicles equipped with 5.7L, 6.1L, 6.2L Hellcat, and 6.4L HEMI engines from 2005 through 2025. Engineered to outperform the factory coils, this coil set delivers stronger spark energy, improving throttle response, fuel combustion, and overall engine performance.

Ideal for both stock and mildly modified engines, these coils provide a reliable upgrade that enhances power output and fuel efficiency without requiring complex tuning or additional modifications. Whether you drive a Dodge Charger, Jeep Grand Cherokee, Ram 1500, or Chrysler 300, the Granatelli Hot Street Coil Set ensures consistent ignition performance under all driving conditions.

Key Features

Granatelli Motor Sports coils are built with patented technology to maximize spark energy and fuel burn efficiency. Key features include:

• High voltage output of 65,000 volts for a stronger, more consistent spark
• Up to 10 additional horsepower gain over OEM coils on stock or mildly modified engines
• Improved throttle response and smoother engine operation
• Enhanced fuel economy through more complete combustion
• Zero ohm resistance design to prevent interference with radios and other electronics
• Direct bolt-on replacement for 2005–2025 5.7L, 6.1L, 6.2L Hellcat, and 6.4L HEMI engines
• Durable construction designed to withstand high temperatures and harsh engine bay conditions
• Compatible with a wide range of Dodge, Jeep, Chrysler, and Ram models including performance variants

Construction & Design

Granatelli Motor Sports coils feature a robust design with high-quality materials engineered for longevity and consistent performance. The coil packs utilize advanced internal windings and insulation to deliver a powerful spark without electrical interference. Their zero ohm resistance design ensures clean ignition signals while protecting sensitive vehicle electronics from noise and static.

Each coil is precision-engineered to meet or exceed OEM specifications, ensuring a perfect fit and reliable operation. The coil-on-plug design simplifies installation and reduces the risk of misfires caused by faulty spark plug wires.

Performance & Sound

By delivering a hotter and more consistent spark, these coils improve combustion efficiency, resulting in smoother acceleration and enhanced throttle response. Drivers will notice crisper engine performance and potentially improved fuel economy. The improved ignition also helps maintain optimal engine sound quality by reducing misfires and rough idling.

Installation & Fitment

Installation is straightforward with a direct bolt-on design that requires no modifications to the vehicle’s ignition system. These coils are engineered to fit perfectly on all compatible 5.7L, 6.1L, 6.2L Hellcat, and 6.4L HEMI engines from 2005 to 2025. Simply remove the factory coils and replace them with the Granatelli Hot Street Coil Set for immediate performance benefits.

This coil set is ideal for enthusiasts looking to upgrade their ignition system without the need for custom tuning or additional parts.

What's Included

• Set of front and rear coil-on-plug ignition coils
• Installation instructions

Ideal For

• Owners of Dodge, Jeep, Chrysler, and Ram vehicles with 5.7L, 6.1L, 6.2L Hellcat, or 6.4L HEMI engines
• Performance enthusiasts seeking improved horsepower and throttle response
• Drivers aiming to enhance fuel economy through better combustion
• Those replacing worn or weak factory ignition coils for reliable daily driving
• Stock or mildly modified engine setups looking for a simple ignition upgrade

Granatelli Motor Sports develops performance parts for racers and enthusiasts, with a lineup that spans ignition components, exhaust cutouts, boost-control hardware, and billet accessories. The brand is built around practical, track-minded upgrades that help sharpen response and support higher-performance builds across a wide range of platforms.