# New & Loaded Jeep 4.0 Cylinder Head 1991-2006

New Jeep 4.0 Cylinder Head, Based off of the TUPY castings

All work done to OEM Standards or Greater.

This new Titan Engines Jeep Cylinder head will fit 4.0 Jeep Engines from 1991-2006 and have the following features:

-   New Head
-   New Intake Valves
-   New Exhaust Valves
-   New Retrainers
-   New Keepers
-   New Springs
-   New Valve Stem Seals
-   Fully Assembled and Vacuum Tested

This Cylinder Head will come with a 1 Year Limited Warranty of Parts and Workmanship, Labor Not Included. All exclusions of our [Standard Warranty](https://titanengines.com/warranty/) still apply.

**\*Titan Engines cylinder heads are made to order. Average is 5-8 Days for standalone head production.\***

## Details

- **Price:** 744.99 USD
- **Vendor:** Titan Engines
- **Type:** Cylinder Head
- **Tags:** 0331 Upgrade, 242, 4.0L, Cherokee, Cylinder Head, Cylinder Heads, Grand Cherokee, Jeep, New, No Cracking, Premium, Sized, Titan Engines, TJ, TUPY, WJ, Wrangler, XJ, YJ, ZJ

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 744.99 USD | In stock |

## Images

- NEW Jeep 4.0L cylinder head TUPY design fixes 0331 cracking
- NEW Jeep 4.0L cylinder head with all new valves and springs
- TUPY-based Jeep 4.0L cylinder head upgrade for Wrangler Cherokee
- NEW Jeep 4.0L cylinder head premium quality no cracking
- Jeep 4.0L NEW cylinder head fully assembled vacuum tested
- NEW Jeep 4.0L TUPY cylinder head ships within 24 hours

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> Source: [Titan Engines](https://titanengines.com/products/new-jeep-4-0-cylinder-head-1991-2006)
> Updated: 2026-06-21