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Powerheads

Let us make your powerhead our responsibility. We have been building marine powerheads for over 30 years, we offer the most complete powerhead kits and an industry leading warranty.

Boring and Sleeving

We only do machine work on high precision, late model CNC machinery to provide quick turn around and produce extremely accurate product.

Cylinder Head Work

High Performance Stages

We are very experienced with small diameter multi-valve cylinder heads in marine, watercraft and motorcycle applications.

High Performance Stages

High Performance Stages

High Performance Stages

We are now offering multiple stages of high performance variations on some of our common powerheads. Contact us for more info!

Welding

High Performance Stages

Welding

We can repair damaged engines that other shops may be too afraid to touch.

Custom

High Performance Stages

Welding

Cylinder support rings installed in OMC block

Whether it is sleeve porting or chamber welding we regularly perform custom work to repair, modify or increase performance.

Golden Precision Machine

33945 State Hwy 86 Eagle Rock, MO. 65641 US

(417) 271-3004

Copyright © 2025 Golden Precision Machine - All Rights Reserved.

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