Olds/Pont V8 Hi-Energy Hyd. Lifters

The COMP Cams Oldsmobile/Pontiac V8 Hi-Energy Hydraulic Lifters (part 852-16) are a complete 16-piece set of high-energy hydraulic flat tappet lifters engineered for Oldsmobile and Pontiac V8 engines. These lifters feature a 0.842-inch outer diameter and are specifically designed to support aggressive camshaft profiles while maintaining reliable valve train control through hydraulic operation.

High-energy hydraulic lifters operate on the principle of controlled oil pressure to manage valve lash automatically, eliminating the need for manual adjustment. The hydraulic design allows these lifters to accommodate the faster ramp rates and higher valve lift of performance camshafts while still protecting against valve train noise and wear. The 0.842-inch diameter is the standard specification for Oldsmobile and Pontiac V8 applications, ensuring precise fitment within the factory lifter bores. This complete 16-piece configuration covers a full V8 cylinder count, making installation straightforward for engine builders and restorers.

These lifters are ideal for owners and builders working on Oldsmobile and Pontiac V8 restoration, mild to moderate performance builds, and engine rebuilds where original equipment specifications or modern replacements are needed. The hi-energy designation indicates they are optimized for cam profiles beyond stock specifications, making them suitable for upgrades that demand improved valve control without requiring solid lifters or roller conversions. COMP Cams' reputation in the aftermarket performance industry reflects decades of valve train component development for domestic V8 platforms.