Crower 66056J-1 Features:

Crower 66056J-1 hydraulic flat-tappet lifter for Oldsmobile and Pontiac V8 applications with a .842 in. lifter diameter. U.S.-made by Hylift/Johnson with ball-check oil control valving for consistent hydraulic operation. Precision radius face design helps support quick break-in on compatible flat-tappet camshaft setups. Single lifter configuration; 66056J-1 denotes an individual unit, while 66056J-16 is the 16-piece set version.

Hydraulic Lifters Johnson .842 In. Hydraulic Flat-tappet For Olds/Pontiac Features:

• Hydraulic flat-tappet lifter for Oldsmobile and Pontiac V8 applications with .842 in. diameter fitment for compatible valvetrain setups
• Ball-check oil control valving for consistent hydraulic operation and stable oil metering under demanding engine conditions
• Precision-radius lifter face for quick break-in and proper contact pattern with new flat-tappet camshaft installations
• Single lifter configuration for replacement service, custom builds, or matching quantity needs on Pontiac and Oldsmobile V8 engines
• Package dimensions: 4.00 in. H X 2.25 in. D X 2.00 in. W; use new lifters with new camshafts to help prevent premature wear