Honda GX390 Predator 420 billet sidecover. Also fits most 13 - 16 HP Clone engines.
Machined from 6061-T6 aircraft grade aluminum features dual crank bearings and cam bearing for extra support. Uses all 4 dowel pens in the block for extra block support. A must for all modified and stroker applications. Includes all hardware for installation.
Not designed to be used with counter balance shaft or electric starter. 
Chain guard mounting holes thread size M8X1.25mm.
***Use 28oz of oil in most applications*** 
Will Not work on 460 10 bolt blocks.
Will Not work with Stud Kit. Must use bolts in kit 
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ARC 69059 Billet Sidecover Honda GX390 Predator 420

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Honda GX390 Predator 420 billet sidecover. Also fits most 13 - 16 HP Clone engines.

Machined from 6061-T6 aircraft grade aluminum features dual crank bearings and cam bearing for extra support. Uses all 4 dowel pens in the block for extra block support. A must for all modified and stroker applications. Includes all hardware for installation.

Not designed to be used with counter balance shaft or electric starter. 

Chain guard mounting holes thread size M8X1.25mm.

***Use 28oz of oil in most applications*** 

Will Not work on 460 10 bolt blocks.

Will Not work with Stud Kit. Must use bolts in kit 



We do not accept returns on any electrical components. If you're unsure if the item is an electrical component, please contact us.