BCBC MR-846 Engine Rocker Arm

Engine Rocker Arm for Stock Applications

This Melling engine rocker arm is a standard replacement part for stock valve train service. It is built in stamped steel with an anti-rust finish and a self-aligning, shaft-mounted design for selected Pontiac, Buick, and Oldsmobile applications.

• Stamped steel construction for a direct replacement style rocker arm
• Non-roller design for stock valve train configurations
• Anti-rust finish helps protect the surface during service
• Self-aligning design supports proper rocker arm tracking
• Shaft mounting matches the specified OE-style layout

Fitment and Application Details

Compatible with a wide range of classic GM V8 applications. Fits 1979-1981 Buick Century, N/A; Fits 1979-1981 Buick Regal, N/A; Fits 1967-1981 Pontiac Bonneville, N/A; Fits 1967-1981 Pontiac Catalina, N/A; Fits 1971-1981 Pontiac Firebird, N/A; Fits 1968 Pontiac Firebird, N/A; Fits 1979-1981 Pontiac Grand LeMans, N/A; Fits 1975-1977 Pontiac Grand LeMans, N/A; Fits 1967-1981 Pontiac Grand Prix, N/A; Fits 1979-1981 Pontiac LeMans, N/A; Fits 1970-1977 Pontiac LeMans, N/A; Fits 1968 Pontiac LeMans, N/A; Fits 1981 Pontiac Parisienne, N/A; Fits 1976 Pontiac Parisienne, N/A; Fits 1970-1974 Pontiac Parisienne, N/A; Fits 1968 Pontiac Parisienne, N/A; Fits 1980 Buick Electra, N/A; Fits 1980 Buick Estate Wagon, N/A; Fits 1977-1980 Buick LeSabre, N/A; Fits 1978-1980 Pontiac Grand Am, N/A; Fits 1973-1975 Pontiac Grand Am, N/A; Fits 1979 Oldsmobile Delta 88, N/A; Fits 1971-1978 Pontiac Grand Safari, N/A; Fits 1977 Buick Skylark, N/A; Fits 1976-1977 Pontiac Laurentian, N/A; Fits 1971-1974 Pontiac Laurentian, N/A; Fits 1968 Pontiac Laurentian, N/A; Fits 1977 Pontiac Ventura, N/A; Fits 1971-1975 Pontiac Ventura, N/A; Fits 1971-1975 Pontiac Grandville, N/A; Fits 1970-1973 Pontiac GTO, N/A; Fits 1968 Pontiac GTO, N/A; Fits 1968-1971 Pontiac Acadian, N/A; Fits 1967-1970 Pontiac Executive, N/A; Fits 1969-1970 Pontiac Firebird, N/A, Except Ram Air IV Engine; Fits 1969-1970 Pontiac Laurentian, N/A; Fits 1969-1970 Pontiac Strato-Chief, N/A; Fits 1969-1970 Pontiac Tempest, N/A, Except Ram Air IV Engine; Fits 1968-1969 Pontiac Beaumont, N/A; Fits 1969 Pontiac GTO, N/A, Except Ram Air IV Engine; Fits 1969 Pontiac LeMans, N/A, Except Ram Air IV Engine; Fits 1969 Pontiac Parisienne, N/A, Except Ram Air IV Engine; Fits 1968 Pontiac Tempest, N/A; Fits 1967 Pontiac Firebird, N/A, Late 1967; Fits 1967 Pontiac GTO, N/A, Late 1967; Fits 1967 Pontiac Laurentian, N/A, Late 1967; Fits 1967 Pontiac Parisienne, N/A, Late 1967.

Common Service Uses

• Replacing a worn or noisy rocker arm in a stock valve train
• Restoring proper valve motion after engine rebuild work
• Addressing uneven valvetrain operation caused by wear
• Correcting rocker arm surface wear in shaft-mounted systems

Installation Notes and Quality

Use the listed fitment notes to confirm stock application details and any engine exceptions before installation. Melling recommends replacing rocker arms and related components during every engine rebuild to support long engine life and efficient performance. Made in the USA. This part cross-references Monroe Shocks & Struts (e.g., 546104, 9785662) for the same application.