BCBC 3-506SC Engine Timing Set

Engine Timing Set Overview

This Melling engine timing set, part number 3-506SC, provides the timing components needed for a stock-style engine rebuild. It is built as a standard replacement with steel camshaft sprocket construction and included sprockets for application-specific service work.

Compatible with a wide range of Chevrolet, GMC, Cadillac, Oldsmobile, and Pontiac applications, this timing set supports rebuilds where accurate valve timing and matched chain-and-sprocket components are required. The 3-506SC is part of Melling’s Stock line, which focuses on practical coverage for standard service levels.

Key Features

• Standard replacement engine timing set for rebuild and service work
• Steel camshaft sprocket for durable gear construction
• Sprockets included for a complete timing component match
• Keyway adjustable: No
• Part number 3-506SC for accurate ordering and fitment lookup

Detailed Description

Melling 3-506SC is an engine timing set designed for stock replacement applications where the timing chain, sprockets, and related components must work together as a matched assembly. The steel camshaft sprocket and standard replacement grade make it a practical choice for engine rebuilds that call for OE-style service parts rather than performance-oriented changes. This part number 3-506SC is listed for multiple Chevrolet and GMC truck and van applications, along with several Chevrolet, Pontiac, Cadillac, and Oldsmobile passenger vehicle platforms.

Fits 1996-2002 Chevrolet Express 1500, N/A; Fits 1996-2002 Chevrolet Express 2500, N/A; Fits 1996-2002 GMC Savana 1500, N/A; Fits 1996-2002 GMC Savana 2500, N/A; Fits 1996-1999 Chevrolet C1500, N/A; Fits 1996-1999 Chevrolet C2500, N/A; Fits 1996-1999 Chevrolet K1500, N/A; Fits 1996-1999 GMC C1500, N/A; Fits 1996-1999 GMC C2500, N/A; Fits 1996-1999 GMC K1500, N/A; Fits 1997-1998 Chevrolet K2500, N/A; Fits 1998 GMC K2500, N/A; Fits 1987-1993 Chevrolet Caprice, N/A; Fits 1991-1993 Chevrolet Commercial Chassis, N/A; Fits 1987-1992 Chevrolet Camaro, N/A; Fits 1991-1992 Oldsmobile Custom Cruiser, N/A; Fits 1987-1992 Pontiac Firebird, N/A; Fits 1990-1991 Cadillac Brougham, N/A; Fits 1987-1991 Chevrolet Corvette, N/A; Fits 1987-1988 Chevrolet Monte Carlo, N/A; Fits 1987 Pontiac Grand Prix, N/A.

Common Uses

• Replacing worn timing chain components during an engine rebuild
• Correcting timing noise caused by chain or sprocket wear
• Restoring proper valve timing after high-mileage service
• Servicing stock engine configurations that require matched timing parts

Installation Notes and Tips

Verify engine code and application details before installation, since fitment varies by model and year. Confirm that the timing set matches the existing engine configuration and follow factory service procedures for timing alignment during assembly.

Quality Assurance

Melling timing chain kits are offered in standard, heavy-duty, and performance coverage, with components manufactured using quality materials and workmanship for rebuild applications. The 3-506SC is part of the Stock line and is intended for standard service-level timing needs.