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Thumbnail Filmstrip of 6.7 Cummins Fire Ring Head Gasket with Rings Powerstroke Products PP-FRG/6.7C Images
You're pushing your 6.7L Cummins to its limits, but are your engine's internal components ready to handle the pressure? The Powerstroke Products PP-FRG/6.7C Fire Ring Head Gasket Kit is the essential upgrade for any 2007.5–2018 engine running high-horsepower applications—especially those making over 1,000 hp. This kit is engineered not just to replace your standard gasket, but to fundamentally prevent catastrophic head gasket failure by creating a superior, impenetrable seal between the cylinder head and the engine block. In heavily modified diesels, extreme cylinder pressures can quickly overwhelm an OEM or standard gasket, leading to leaks, performance loss, and costly downtime. By investing in this precision-engineered fire ring system, you are directly enhancing your engine’s reliability and durability under the most demanding conditions, ensuring your power stays where it belongs: inside the combustion chamber.
- Gasket Type: Multi-layered steel (MLS) head gasket with a standard 0.046″ crush thickness for primary sealing.
- Fire Rings: Includes six high-performance 0.105″ thick steel fire rings with a 4.550″ outside diameter.
- Installation Requirement (Standard): Requires a radius cutter for groove installation; groove must be cut to 0.038″–0.039″ deep for most applications.
- Installation Requirement (Extreme HP): Trucks exceeding 1,000 hp must precisely cut a 0.019″ groove into the block and a 0.019″ groove into the cylinder head for optimal metal-to-metal sealing.
- Included: All necessary components and detailed instructions are included in the kit.
The functionality of the PP-FRG/6.7C kit centers on its innovative dual-sealing mechanism. Unlike a standard gasket that relies solely on material crush, this kit integrates six robust fire rings designed to be pressed into precisely machined grooves in the cylinder head and block. When the head is torqued down, these 0.105″ steel rings crush slightly into the surrounding material, forming an extremely tight, metal-to-metal seal around each cylinder bore. This process is crucial for preventing the escape of high-pressure combustion gases, which is the root cause of gasket failure in high-output engines. The multi-layered steel gasket provides the initial, fluid-sealing layer, while the fire rings provide the ultimate, pressure-resistant seal. For builders of truly extreme performance trucks, following the precise groove cutting recommendations—especially the 0.019″ split cut for 1,000+ hp builds—is the final, non-negotiable step to guarantee maximum engine integrity and maintain your high-level performance with confidence.
You're pushing your 6.7L Cummins to its limits, but are your engine's internal components ready to handle the pressure? The Powerstroke Products PP-FRG/6.7C Fire Ring Head Gasket Kit is the essential upgrade for any 2007.5–2018 engine running high-horsepower applications—especially those making over 1,000 hp. This kit is engineered not just to replace your standard gasket, but to fundamentally prevent catastrophic head gasket failure by creating a superior, impenetrable seal between the cylinder head and the engine block. In heavily modified diesels, extreme cylinder pressures can quickly overwhelm an OEM or standard gasket, leading to leaks, performance loss, and costly downtime. By investing in this precision-engineered fire ring system, you are directly enhancing your engine’s reliability and durability under the most demanding conditions, ensuring your power stays where it belongs: inside the combustion chamber.
Gasket Type: Multi-layered steel (MLS) head gasket with a standard 0.046″ crush thickness for primary sealing.
Fire Rings: Includes six high-performance 0.105″ thick steel fire rings with a 4.550″ outside diameter.
Installation Requirement ([...]
You're pushing your 6.7L Cummins to its limits, but are your engine's internal components ready to handle the pressure? The Powerstroke Products PP-FRG/6.7C Fire Ring Head Gasket Kit is the essential upgrade for any 2007.5–2018 engine running high-horsepower applications—especially those making over 1,000 hp. This kit is engineered not just to replace your standard gasket, but to fundamentally prevent catastrophic head gasket failure by creating a superior, impenetrable seal between the cylinder head and the engine block. In heavily modified diesels, extreme cylinder pressures can quickly overwhelm an OEM or standard gasket, leading to leaks, performance loss, and costly downtime. By investing in this precision-engineered fire ring system, you are directly enhancing your engine’s reliability and durability under the most demanding conditions, ensuring your power stays where it belongs: inside the combustion chamber.
- Gasket Type: Multi-layered steel (MLS) head gasket with a standard 0.046″ crush thickness for primary sealing.
- Fire Rings: Includes six high-performance 0.105″ thick steel fire rings with a 4.550″ outside diameter.
- Installation Requirement (Standard): Requires a radius cutter for groove installation; groove must be cut to 0.038″–0.039″ deep for most applications.
- Installation Requirement (Extreme HP): Trucks exceeding 1,000 hp must precisely cut a 0.019″ groove into the block and a 0.019″ groove into the cylinder head for optimal metal-to-metal sealing.
- Included: All necessary components and detailed instructions are included in the kit.
The functionality of the PP-FRG/6.7C kit centers on its innovative dual-sealing mechanism. Unlike a standard gasket that relies solely on material crush, this kit integrates six robust fire rings designed to be pressed into precisely machined grooves in the cylinder head and block. When the head is torqued down, these 0.105″ steel rings crush slightly into the surrounding material, forming an extremely tight, metal-to-metal seal around each cylinder bore. This process is crucial for preventing the escape of high-pressure combustion gases, which is the root cause of gasket failure in high-output engines. The multi-layered steel gasket provides the initial, fluid-sealing layer, while the fire rings provide the ultimate, pressure-resistant seal. For builders of truly extreme performance trucks, following the precise groove cutting recommendations—especially the 0.019″ split cut for 1,000+ hp builds—is the final, non-negotiable step to guarantee maximum engine integrity and maintain your high-level performance with confidence.