JEEP 6CYL NEW FULL - PROMAXX Performance Products
![JEEP 6CYL NEW FULL - PROMAXX Performance Products](https://promaxxperformance.com/wp-content/uploads/2017/09/CHR640N-BOTTOM.jpg)
![](https://promaxxperformance.com/wp-content/uploads/2017/06/GMC-logo-3800x1000.png)
PROMAXX Performance Products
![](https://enginequest.com/wp-content/uploads/2022/07/EQ-CH242NA-1.gif)
New Jeep Cherokee Laredo 4.0 OHV 0331 Cylinder Head Complete No Core - EQ Cores & Recycling, engine quest heads
ProMaxx Performance Products, LLC
Now - Get Big Savings on Dodge/Jeep 3.6L Exhaust Manifold Repair Kit, Dodge/Jeep Pentastar 3.6L V6 ProKit: PMXSRA200PRO - Model Name Sara, 2011-2020
![](https://promaxxtool.com/cdn/shop/files/Sara_Base_Kit_-_1_w_Part_Number_f315caef-da7e-41f2-8a23-8e12324b1d5f.png?v=1691141686)
Dodge/Jeep 3.6L V6 Pentastar Exhaust Manifold Broken Bolt Repair Kit - Sara
![](https://www.quadratec.com/sites/default/files/styles/customer_photo_large/public/customer/products/20200904_094230_0.jpg)
ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0L
Restore horsepower, compression and fuel economy to that tired engine with one of our factory replacement heads. Matches original performance flow and
![](https://www.quadratec.com/sites/default/files/styles/product_large/public/product_images/95756.jpg)
ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ
![](https://www.quadratec.com/sites/default/files/merch-page/instagram-rnd.png)
ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0L
![](https://promaxxperformance.com/wp-content/uploads/2017/09/CHR467N-TOP.jpg)
JEEP 6CYL NEW FULL - PROMAXX Performance Products
![](https://www.quadratec.com/sites/default/files/styles/product_teaser/public/product_images/Melling-385SB-Tabletop.jpg)
ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0L