DJ Rock LIF971 Engine Valve Lifter

Premium Valve Lifter for Toyota and Lexus V8 Engines

DJ Rock LIF971 is a premium engine valve lifter built for Toyota and Lexus applications that rely on precise valve train operation. It is engineered to maintain accurate camshaft-to-valve motion, helping support quiet operation and consistent engine performance in rebuild and maintenance work.

Key Features

• Premium-grade engine valve lifter for valve train service
• Precision-machined components for accurate valve timing and motion
• Built from hardened alloy steel or chilled cast iron for wear resistance
• Hydraulic-style design elements help maintain oil pressure and lash adjustment
• Made to meet or exceed OEM quality standards
• Cross-reference part number: 022-4009

Detailed Product Information

This DJ Rock LIF971 valve lifter is designed for Toyota Tundra, Toyota Sequoia, Toyota 4Runner, Toyota Land Cruiser, Lexus GX470, Lexus LX470, Lexus LS430, Lexus GS430, Lexus GS400, Lexus LS400, Lexus SC400, and Lexus SC430 applications across the listed model years. It is a direct-fit engine valve train component for rebuilds where accurate lifter operation is critical to valve timing, idle quality, and overall engine consistency. The precision-engineered construction and premium grade designation make it a practical choice for service work on Toyota and Lexus V8 engines.

Compatible With 2000-2009 Toyota Tundra, N/A; 2001-2009 Toyota Sequoia, N/A; 2003-2009 Toyota 4Runner, N/A; 1998-2007 Toyota Land Cruiser, N/A; 2003-2009 Lexus GX470, N/A; 1998-2007 Lexus LX470, N/A; 2001-2006 Lexus LS430, N/A; 2001-2007 Lexus GS430, N/A; 1998-2000 Lexus GS400, N/A; 1998-2000 Lexus LS400, N/A; 1998-2000 Lexus SC400, N/A; 2002-2010 Lexus SC430, N/A.

Common Issues This Part Can Address

• Excessive valve train noise from worn lifter components
• Inconsistent valve opening and closing caused by lifter wear
• Oil pressure retention problems in hydraulic lifter service
• Rough idle or performance loss related to valve train irregularities
• Need for a replacement lifter during engine rebuild or top-end repair

Installation Notes and Tips

Verify engine code, lifter style, and application details before installation. Clean the valve train thoroughly during service, inspect related components for wear, and follow factory torque and lubrication procedures during assembly. For best results, replace worn lifters as part of a complete inspection of the camshaft, pushrods, and associated valve train parts.

Quality Assurance

DJ Rock LIF971 is manufactured to meet or exceed OEM quality standards and uses durable materials selected for long-term valve train service. The premium construction is intended to support reliable operation in professional engine rebuilds and maintenance work.