Rugged Radios Challenger II Racing Foam Ear Bud Speakers with 1/8" Mono Plug RS004C0411 The dual pump models are

The dual pump models are designed for endurance racing where both pumps are used or one can be a reserve pump

This Oldsmobile 307-455 oil pan is designed for performance street

4 Bottle Capacity

Compatible with nearly all automatic transmissions

Rugged Radios Challenger II Racing Foam Ear Bud Speakers with 1/8" Mono Plug RS004C0411 The dual pump models areProfessional Series Challenger II foam ear bud speakers with 1 8" mono plug. For the clearest race radio communications possible. Challenger II is #1! Utilizing a hearing aid transducer instead of a standard speaker, expect unmatchable clarity from these earbuds. Features: Rugged blue cabling Knowles Hearing Aid speakers 1 8" mono plug Made In USA! Due to Health Laws this item cannot be returned! Product Description: Challenger II Racing Foam Ear Bud