INA ZC-73170 Engine Timing Set

INA ZC-73170 Engine Timing Set

INA ZC-73170 is a premium engine timing set for select Oldsmobile V8 applications. It is built for buyers restoring or servicing timing components on classic Oldsmobile 88, 98, and Starfire models, with fitment coverage that includes 1950-1953 and 1957-1958 vehicles.

Key Features

• Premium-grade engine timing set from INA
• Engine timing set category for valve train service
• Direct fitment coverage for select Oldsmobile 88, 98, and Starfire applications
• Cross-reference part number: 5591190100
• Part number: ZC-73170

Detailed Description

INA ZC-73170 is an engine timing set engineered for specific Oldsmobile applications where accurate valve timing is critical. This timing set is listed for 1950 Oldsmobile 88 after motor 8A-288505, 1950-1953 Oldsmobile 98 after motor 8A-288505, and 1957-1958 Oldsmobile 98, plus 1957 Oldsmobile 88 and 1957 Oldsmobile Starfire. For classic Oldsmobile 98 timing service or Oldsmobile 88 timing repair, this part number provides a direct replacement reference for the listed vehicles.

The manufacturer notes that INA timing chain kits are assembled to include the essential components needed for a proper timing repair, and some applications may include additional gears, sprockets, and a chain additive. For this specific listing, the provided attributes indicate no chain guides, tensioner, gaskets, or drive sprocket are included. Verify the existing engine configuration before ordering to confirm the correct Oldsmobile timing set application.

What It Helps Address

• Excessive timing chain stretch
• Rattling or noisy valve train operation
• Incorrect camshaft-to-crankshaft timing
• Hard starting caused by worn timing components
• Timing-related drivability issues on classic Oldsmobile engines

Installation Notes and Tips

Confirm engine identification before installation, especially on 1950 Oldsmobile 88 and 1950-1953 Oldsmobile 98 models that require the after motor 8A-288505 application. Compare the removed components to the listing details, since chain guides, tensioner, gaskets, and drive sprocket are not included here. Always inspect sprockets, chain wear, and timing marks during service to ensure correct alignment on Oldsmobile 88, 98, and Starfire timing repairs.

Quality Assurance

INA lists this as a premium-grade timing set. The manufacturer states that its timing chain kits are built to support a correct repair on the first installation and that certain kit designs may include a high-performance chain additive formulated with Liqui Moly for reduced break-in friction and wear.

• Fits 1950 Oldsmobile 88, N/A
• Fits 1950-1953 Oldsmobile 98, N/A
• Fits 1957 Oldsmobile 88, N/A
• Fits 1957 Oldsmobile Starfire, N/A
• Fits 1957-1958 Oldsmobile 98, N/A