Drill Jig - LS7 Wet Sump Oil Dipstick Conversion

The Drill Jig – LS7 Wet Sump Oil Dipstick Conversion from Holley is a precision machining tool engineered for LS platform engine builders and performance mechanics tackling wet sump conversions. LS7 engines originally ship with dry sump lubrication, and converting to a more affordable, street-friendly wet sump system requires precise oil pan mounting and dipstick boss placement. This drill jig eliminates guesswork by providing exact hole locations, ensuring your oil pan mounting and dipstick tube alignment are correct the first time. Whether you're building a track car, a weekend cruiser, or a restomod project, accurate pan fitment is non-negotiable for preventing leaks, proper oil capacity measurement, and reliable engine operation.

This precision jig is manufactured to Holley's exacting standards, weighing 0.84 lbs with compact dimensions (6 x 1.85 x 8.5 inches) that make it easy to handle and position during installation. The jig uses hardened steel construction to guide drill bits to exact specifications, preventing drift, misalignment, or oversized holes that could compromise structural integrity or oil pan sealing surfaces. By using this jig, you eliminate the risk of drilling in the wrong location, which could require scrapping an expensive wet sump oil pan and starting over. The precision engagement ensures repeatable accuracy across multiple installations, making it invaluable for shops performing frequent LS conversions or serious enthusiasts building multiple engines.

This tool is essential for anyone upgrading an LS7-powered vehicle to wet sump oiling, particularly builders who prioritize clean engine bays and reduced complexity over dry sump systems. Mechanics working on LS swaps into Camaros, Corvettes, or custom builds will find this jig indispensable for achieving proper pan fitment without trial-and-error drilling. Installation requires basic shop tools and careful alignment, but once positioned correctly, the jig ensures holes are perfectly located for dipstick tube fitment and secure pan mounting. For serious engine builders and shops, this Holley precision jig represents a modest investment that eliminates costly mistakes and delivers professional-grade results every time.