Shop Our Equipment › Grease Jockey Injector #8, 4 Output Spacers, 0.43 cc (0.026 cu in) Image 1 of 1 Grease Jockey Injector #8, 4 Output Spacers, 0.43 cc (0.026 cu in) $0.00 Designed for frequent, medium-pressure metering and includes system pressure monitoring. Quantity: Add To Cart Added! Designed for frequent, medium-pressure metering and includes system pressure monitoring.