# Fleece Performance 17-23 GM 2500/3500 Freedom Series Cylinder Head (Passenger Side)

Introducing our Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valves, valve guides, springs, and valve seals. Perfect for the daily driver or towing application. No core charge! Features Re-manufactured OE casting New valves, valve guides, springs, and valve seals Pressure and leak tested Multi-angle valve job Installation Notes: We recommend using GM head gasket (Grade C, 12727486)

-   New valves, valve guides, springs, and valve seals Pressure and leak tested
-   Installation Notes: We recommend using GM head gasket (Grade C, 12727486)
-   Re-manufactured OE casting
-   Multi-angle valve job

This Part Fits:

Year

Make

Model

Submodel

2021-2023

Chevrolet

Silverado 2500 HD

Custom

2017-2023

Chevrolet

Silverado 2500 HD

High Country

2017-2023

Chevrolet

Silverado 2500 HD

LT

2017-2023

Chevrolet

Silverado 2500 HD

LTZ

2017-2023

Chevrolet

Silverado 2500 HD

WT

2017-2023

Chevrolet

Silverado 3500 HD

High Country

2017-2023

Chevrolet

Silverado 3500 HD

LT

2017-2023

Chevrolet

Silverado 3500 HD

LTZ

2017-2023

Chevrolet

Silverado 3500 HD

WT

2020-2023

GMC

Sierra 2500 HD

AT4

2017-2021

GMC

Sierra 2500 HD

Base

2017-2023

GMC

Sierra 2500 HD

Denali

2022-2023

GMC

Sierra 2500 HD

Pro

2017-2023

GMC

Sierra 2500 HD

SLE

2017-2023

GMC

Sierra 2500 HD

SLT

2020-2023

GMC

Sierra 3500 HD

AT4

2017-2021

GMC

Sierra 3500 HD

Base

2017-2023

GMC

Sierra 3500 HD

Denali

2022-2023

GMC

Sierra 3500 HD

Pro

2017-2023

GMC

Sierra 3500 HD

SLE

2017-2023

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 1681.41 CAD
- **Vendor:** Fleece Performance
- **Type:** Heads

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1681.41 CAD | In stock |

## Images

- Photo - Primary
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- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fleece-performance-17-23-gm-2500-3500-freedom-series-cylinder-head-passenger-side)
> Updated: 2026-06-27