Check the listing for details. 2862 Dual Cam Clamp Tool. Condition: New. Listed at 42.30 USD. Allows belt replacement by one person and prevents damage caused by mis-timingPatented tooth design works with a wide range of cam gear sizes 4 ΓÇô 6ΓÇ? (101mm ΓÇô 152mm) and configurations up to 3ΓÇ? (76mm apart)Use one on dual cam engines and two on quad cam enginesFeatures compact size for confined spaces of east/west engine compartments, large locking knobs and industrial-grade polymer construction INSTRUCTIONS:Following manufactures repair procedures remove timing covers as requiredRotate engine to align timing reference marks in accordance with manufacturers specificationsLoosen both locking nuts on clamp slidesPlace clamp between drive belt gearsSpread slides to engage teeth of clamp with gearsOnce securely engaged tighten clamp locking nutsReplace belt in accordance with manufacturers recommended procedureLoosen clamp locking nutsRemove clampRecheck engine valve timing in accordance with manufactures recommended procedure