Melling IS-63 Oil Pump Driveshaft Mopar 383 400 426 440 Big Block Steel

**Melling IS-63 Heavy-Duty Intermediate Oil Pump Drive Shaft – Mopar Big Block** Ensure reliable oil pump operation with this **Melling IS-63 intermediate oil pump driveshaft**, designed for **Mopar big block engines**. Built from **hardened steel** and engineered for durability, this driveshaft is ideal for both stock and high-volume oil pump applications. * * * ### **Key Features & Benefits** **Heavy-Duty Steel Construction** Manufactured from **high-strength steel** for durability and long service life under demanding engine conditions. **Hardened Shaft Design** Heat-treated for improved strength and resistance to wear. **Compatible with High-Volume Oil Pumps** Designed to handle the increased load from **high-volume oil pump systems**. **Includes Drive Gear** Comes with an **iron drive gear** for proper engagement and reliable operation. **Direct Replacement Fit** Designed as a direct replacement for compatible Mopar big block applications. * * * ### **Product Details** - **Brand:** Melling - **Part Number:** IS-63 - **Type:** Oil pump intermediate driveshaft - **Material:** Steel (shaft), iron (gear) - **Product Line:** Melling Heavy-Duty Intermediate Driveshafts - **UPC:** 729295115304 - **Quantity:** 1 (sold individually) - **Country of Origin:** USA * * * ### **Engine Compatibility** Fits select **Mopar Big Block engines**, including: - **383** - **400** - **426** - **440** ( _Verify application before purchase_) * * * ### **Specifications** - **Hardened Shaft:** Yes - **Drive Gear Included:** Yes - **Gear Material:** Iron - **Sleeve Included:** No - **Remanufactured:** No - **Compatible with High Volume Pumps:** Yes * * * ### **What’s Included** - **1 × Melling IS-63 Oil Pump Intermediate Driveshaft (with gear)** * * * ### **Installation Notes** - Verify compatibility with your **engine and oil pump setup** - Recommended for use with both **standard and high-volume oil pumps** - Professional installation recommended for engine internal components * * * A dependable upgrade or replacement, this **Melling IS-63 oil pump driveshaft** delivers **strength, durability, and reliable oil pump performance** for Mopar big block engines.

• Brand: Melling
• Type: OIL PUMP SHAFT
• OE/OEM Part Number: NONE
• Manufacturer Part Number: PC780, IS63/PC780
• Country of Origin: United States