About KG Performance Solutions
KG Performance Solutions in Fitzwilliam, New Hampshire handles transmission repair and engine diagnostics for diesel owners across a 15-mile service radius. The shop serves Troy, Swanzey, Keene, and Rindge, positioning itself along the Route 12 corridor where owner-operators and fleet managers moving through southern New Hampshire need capable diagnostic and drivetrain work. Engine diagnostics pinpoint fuel-system and electrical faults that halt operations, while transmission repair addresses both automatic and manual heavy-duty units common in vocational trucks and RVs. Call (603) 242-7000 for service.
Gallery
Our Services
Transmission Repair
Engine Diagnostics
Customer Reviews
V
Verified Customer
Google Review
To the guys at KG, I want to thank you for your recommendation on my mods for both of our wrx's... OUTSTANDING! Barry you are phenomenal at your job, you take your time and make sure everything is done properly. The tune you put in is spot ...
V
Verified Customer
Google Review
Response from the owner
V
Verified Customer
Google Review
This was my second visit for service. I had tires, tie rod and alignment done. I thought the price was fair and all work was performed in a correct manner. I spoke to there staff, very polite and very good conversation. They are ...