Brand new Equus 3614 Professional Compression Tester Kit features a large, easy-to-read 2½" dial face with dual-calibrated, colour-coded scales. 15" (38.1 cm) high-pressure hose with stainless-steel casing. Side-release valve allows repeated tests without disconnecting the hose. Includes direct shaft attachment for quick testing. One 10mm and one 12mm adapter included to fit most motorcycles, ATVs, snowmobiles, and watercraft. 14mm long-reach adapter for long-reach spark plug applications. $40