![The "350HP" is the next step up the ladder to more performance out of your 4.0 based Jeep/AMC motor. This combo features a more aggressive cam profile to give that "Lopey/Rowdy" idle The "350HP" is the next step up the ladder to more performance out of your 4.0 based Jeep/AMC motor. This combo features a more aggressive cam profile to give that "Lopey/Rowdy" idle](http://www.newcomerracing.com/uploads/6/9/1/3/6913602/s755782172193472925_p10_i11_w4656.jpeg?width=640)
The "350HP" is the next step up the ladder to more performance out of your 4.0 based Jeep/AMC motor. This combo features a more aggressive cam profile to give that "Lopey/Rowdy" idle
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Jeep Engine Parts Diagram - OEM Replacement 4.0 Liter (242) AMC Engine TJ, YJ, XJ, ZJ, WJ & Grand Wagoneer Diagram - Morris 4x4 Center
![ATK Engines DA23 Replacement 4.0L I-6 Engine for 87-90 Jeep Cherokee XJ, Comanche MJ & Wagoneer | Quadratec ATK Engines DA23 Replacement 4.0L I-6 Engine for 87-90 Jeep Cherokee XJ, Comanche MJ & Wagoneer | Quadratec](https://www.quadratec.com/sites/default/files/styles/product_zoomed/public/product_images/43330.jpg)