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Herbert Performance Cams Anti-Pump-Up Hydraulic Flat Tappet Lifters are designed for performance street and mild racing applications. Precision-engineered for dependable operation, these lifters feature an anti-pump-up design to help minimize excessive hydraulic lifter pump-up under demanding engine operating conditions.

Designed for compatible Chevrolet Small Block, Big Block, and V6 applications, these lifters provide hydraulic valve lash compensation while supporting consistent valve train performance.

Product Features:

• Anti-Pump-Up Design: Helps minimize excessive hydraulic lifter pump-up during higher-RPM operation.
• Performance-Oriented: Suitable for compatible street performance and mild racing applications.
• Hydraulic Operation: Provides automatic valve lash compensation.
• Precision Engineered: Manufactured for dependable performance and durability.
• Chevrolet Applications: Intended for select Chevy Small Block, Big Block, and V6 engines.

Product Specifications:

• Part Number: T817R
• SKU: HERT817R
• Quantity: Set of 16 Lifters
• Brand: Herbert Performance Cams
• Lifter Type: Anti-Pump-Up Hydraulic Flat Tappet
• Engine Make: Chevrolet
• Engine Application: SB / BB / V6
• Camshaft Compatibility: Hydraulic Flat Tappet
• Recommended Use: Performance Street / Mild Racing

Important Installation Notes:

Verify engine fitment, lifter diameter, and camshaft compatibility before installation. Proper flat tappet camshaft break-in procedures, appropriate break-in lubricant, and compatible valve springs are essential for reliable operation.