About JRB Performance & Customs LLC
JRB Performance & Customs LLC serves RV owners and diesel-truck operators in Palmer, Massachusetts, handling transmission repair, diesel engine repair, and RV-specific work. Located on Park Street in central Massachusetts, the shop draws from a 15-mile service radius covering nearby communities including Monson, Wilbraham, Brimfield, Ludlow, and Ware. The operator handles both engine overhauls and transmission work on diesel platforms, with particular focus on RV chassis and powertrain systems. Call (413) 426-2657 for diesel engine repair, transmission service, or RV work.
Gallery
Our Services
Transmission Repair
RV Repair
Diesel Engine Repair
Customer Reviews
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Verified Customer
Google Review
Absolutely love the look of my truck! JR and his crew are very honest, professional and knowledgeable. ...
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Verified Customer
Google Review
I contacted JR at JRB performance about installing a cam and headers on my 2017 Ram 1500 hemi. After only a few minutes of talking he already had a plan and recommendations for what cam to go with and what tune to use. During the break down ...
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Verified Customer
Google Review
What can I say the guys at JRB performance & Customs knocked it out of the park! A full engine install along with a custom suspension for my Dodge 3500, done right! Not to mention their customer service is top notch. After an unexpected ...