351 C Cleveland CJ 400 M Oil System Modification Kit

351 Cleveland Oiling System Mod Kit – For 351C, 351M & 400

Improve the longevity and performance of your 351 Cleveland, 351 Modified, or 400 engine with this proven oiling system modification kit. Developed from over 20 years of racing and engine-building experience, this kit addresses a well-known flaw in Cleveland oiling systems—insufficient lubrication to the #4 and #5 main and rod journals.

Key Features:

• Routes oil directly from the front to the rear of the block

• Force-feeds critical bearings to prevent oil starvation

• Works on high-mileage engines or fresh builds

• Compatible with stock and high-volume oil pumps

• Installs in under an hour with basic hand tools

• Includes 36" stainless braided hose, 37° AN fittings, and detailed instructions

• Fully bolt-on—no drilling or permanent modifications required

Tested and trusted on street, drag, and circle track builds. A smart, affordable upgrade to keep your Cleveland engine alive and strong at high RPMs.

Note: Product includes stainless braided hose (not black hose as shown in some photos).