Crower 66900J-16 Features:

16-piece set of mechanical flat-tappet solid lifters for Chevrolet, Buick, and select 6-cylinder engines 0.842 in. outside diameter with 1.570 in. seat height for proper fit in specified applications Manufactured by Hylift/Johnson in the USA with a precision-ground radius face and superior finish Non-offset design helps promote fast break-in and supports extended cam and lifter life

Solid Lifters Johnson Che 0.842 In. Mechanical Flat-tappet, 16-piece Features:

• 16-piece mechanical flat-tappet solid lifter set for Chevy V8, Buick V8, and select 6-cylinder engines with 0.842 in. OD fitment
• Precision-ground radius face and superior surface finish for fast break-in, reduced lobe wear, and extended camshaft life
• 1.570 in. seat height and 85.3 g weight per lifter for consistent valvetrain geometry and dependable high-rpm operation
• Non-offset solid lifter design engineered for performance engine builds using new solid flat-tappet camshaft applications
• Ideal for racing and street-performance builds; use with zinc/phosphorus break-in additive to support cam and lifter durability