SKU: 30016
Billet Technology Oil Cap for 2.7L, 6.1L Viper, Dodge SRT, and Ram Truck Engines
The Billet Technology Oil Cap is designed specifically for Dodge SRT, Ram Truck, Viper, and compatible Chrysler and Jeep models. Machined from solid 6061-T6 aircraft-grade aluminum, this cap delivers a secure seal and precise fit that maintains oil pressure integrity during high-performance driving. Its durable construction resists corrosion and wear from daily use or track conditions, ensuring long-term reliability for your vehicle's valvetrain and lubrication system. Available in multiple finishes including polished, black, and designer series with machined edges for a distinctive silver accent, it adds a clean, professional look to any under-hood setup.
Custom engraving options let you personalize it with engine size (2.7L, 5.7L, 6.1L, SRT), OEM oil weight specs (like SAE 5W-20 for 2.7L or SAE 0W-40 for 6.1L).
This oil cap stands out for its direct OEM replacement compatibility, eliminating leaks common in factory plastic caps while supporting efficient oil changes on 2.7L, 6.1L, 5.7L Hemi, V10 SRT, and 2.4L turbo engines. Installation takes minutes: simply thread onto the filler neck and tighten the pre-installed set screw using the included tool no special tools or modifications required. Built in the USA with domestic certified materials, it's the direct fit solution that performs consistently across demanding applications, from street driving to spirited runs.
Vehicle Fitment
Compatible with the following years, makes, models, and engines:
- Dodge Magnum: 2005-2008 (2.7L and 6.1L engines)
- Dodge Charger: 2006-2010 (2.7L and 6.1L engines)
- Dodge Challenger: 2008-2010 (all SRT models)
- Dodge Caliber SRT4: 2008 (2.4L turbo engine)
- Dodge Ram Truck: 2004-2008 (5.7L Hemi engine); All years (SRT-10 V10 engine)
- Chrysler 300: 2005-2010 (2.7L and 6.1L engines)
- Jeep Grand Cherokee SRT8: 2006-2009 (6.1L engine)
- Dodge Viper: 2013-2016 (all models, 8.4L V10 engine)
Verify your vehicle's oil specification, as some model years may vary (e.g., SAE 5W-40 for Ram SRT V10).
What's Included in the Purchase
- One (1) Billet Technology Oil Cap (SKU 30016) with pre-installed set screw
- One (1) Allen key for secure installation
- Engraving options: Standard engine/oil specs or custom (select at checkout or inquire for logo etching)
Specifications
- Part Number: 30016
- Material: Solid 6061-T6 aircraft aluminum (domestic certified)
- Finish Options: Polished, black anodized, blue anodized, red anodized, or designer series (machined edges)
- Thread Compatibility: Direct OEM fit for specified 2.7L, 6.1L, 5.7L, V10, and 2.4L turbo oil filler necks
- Dimensions: Compact design matches factory profile.
- Weight: 0.25 lbs (lightweight for easy handling without added engine stress)
- Shipping Box Size: 3" x 3" x 2"
Pair this cap with other Billet Technology under-hood accessories for a cohesive, high-functioning engine compartment.
Order yours today and experience the difference in build quality and fit that keeps your Mopar running strong.

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