PERFORMANCE REBUILD KITS
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About us
Xcalliber (DBA DEFEO MANUFACTURING prior to 2020) has been supplying parts and services to the Allison® Transmissions industry worldwide since 1984. Serving customers with commercial Allison® Transmission applications, as well as those with GM/Duramax Allison® applications. With multiple facilities in Brookfield, Connecticut, Xcalliber’s experienced team of engineers and technicians design, manufacture and rigorously test their parts to guarantee optimal performance in all vocations. In house design and production, coupled with direct relationships with some OE manufactures, enables Xcalliber to be a very reliable and competitive source for anything related to your Allison® Transmission.
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Seller feedback (815)
- p***p (666)- Feedback left by buyer.Past 6 monthsVerified purchaseQuick shipping and as described / Allison 1000 shift improver springs / Excellent Seller A+++
- b***y (1366)- Feedback left by buyer.Past 6 monthsVerified purchaseFast shipping great communication excellent Ebayer A++++++
- 4***2 (2544)- Feedback left by buyer.Past monthVerified purchaseExcellent e-bay seller fast shipper A+
- t***t (282)- Feedback left by buyer.Past monthVerified purchaseAs always a pleasure to do business GREAT e-bay seller!!!
- o***a (263)- Feedback left by buyer.Past 6 monthsVerified purchasejust what I needed fast shipping too, great condition. Would use this seller again
- a***c (251)- Feedback left by buyer.Past yearVerified purchaseSeller sent offer, then refused to honor price and cancelled order...then relisted the exact same item, same part number for $100 more. Shady seller. Avoid.