Doug Duffy Motorsports

Doug Duffy Motorsports Powersports Engine Repair
(1)

03/14/2026

Rough as cob ➡️ smooth as glass

03/04/2026

Porsche 356 cylinder heads. New valve guides and valves from as always. Valve job, all critical surfaces machined, and assembled to spec.

02/25/2026

Subaru EJ25 heads because “they/them” gotta get to work too. dropping guides like it’s going outta style.

02/25/2026
02/25/2026

+2mm bore and resurface

02/25/2026
02/25/2026

Less gooder
More gooder

02/20/2026

Surface finish matters

02/20/2026

02/17/2026

Porsche timesert install for a permanent fix to a common issue.

12/23/2025

2 time world champion at

Address

Appointment Only
Gibsonville, NC
27214

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+13363147450

Website

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