Definition
OEM spec restorations preserve originality for collectors.
Track cars may deviate from OEM spec while retaining safety margins.
Automotive Wiki
General
OEM Spec
Operating or maintaining a vehicle to factory tolerances and service procedures.
Related terms
- OEMOriginal equipment manufacturer — parts made to factory specifications for a veh…
- AftermarketParts and accessories produced by third-party companies rather than the vehicle …
- OEM PlusA build philosophy using subtle factory-style upgrades rather than extreme custo…
- StanceA build style emphasizing aggressive wheel fitment, ride height, and visual atti…
- Sleeper BuildA high-performance vehicle with understated exterior appearance.
- Bolt-On ModA modification installable without internal engine work, such as intake or exhau…
Category: General · Updated August 31, 2026