OLDSMOBILE 583832 Jetstar Ninety Eighty Starfire Cylinder 394 V8 Heads

( Manufacturer Part Number: 583832 ), ( Fitment Type: Direct Replacement ), ( Items Included: Valves ), ( Mounting Hardware Included: No ), ( Material: Cast Iron ), ( Engine Code: 394 ), ( Vintage Part: Yes ), ( Transmission Type: Automatic ), ( Type: Cylinder Head ), ( Location Id: A502 ), ( Manufacturer Warranty: 30 Days ), ( Oe/oem Part Number: Oem, Factory Original Equipment ), ( Engine Size: 6.5 ), ( Valvetrain Iteration: Ohv ), ( Finish: Unfinished ), ( Country Of Origin: United States )

Review OLDSMOBILE 394 V8 Jetstar Ninety Eighty Eight Starfire Cylinder Heads Pair fits 1961

The **Oldsmobile 583832 394 V8 Jetstar Ninety-Eighty Starfire cylinder heads** are a legendary and highly sought-after component from the golden era of American muscle car engineering, designed specifically for the iconic **394 cubic-inch V8** found in mid-1960s Oldsmobile models like the **Starfire, Jetstar, and Ninety-Eighty**. These heads represent a rare and well-crafted example of Oldsmobile s advanced **cast-iron construction**, featuring a **four-valve-per-cylinder** design with **1.94-inch intake valves** and **1.56-inch exhaust valves**, optimized for high-performance airflow and reliable durability. The **Jetstar and Ninety-Eighty** badges denote their association with Oldsmobile s high-performance trim packages, which often paired these heads with the **394 Rocket V8**, a powerplant renowned for its smooth operation and strong low-end torque. These cylinder heads are characterized by their **distinctive **Starfire** or **Jetstar** branding**, often stamped directly onto the valve cover or deck, adding to their collectible appeal. The **90-degree V8 architecture** ensures balanced combustion, while the **pushrod-actuated valves** and **solid lifters** contribute to a classic, mechanical driving experience. Whether restored for a show car or repurposed for a modern high-performance build, these heads embody the raw power and engineering prowess of a bygone automotive era, making them a prized find for enthusiasts and restorers alike. Their **rare availability** and **historical significance** further elevate their value, as they were produced in limited quantities for Oldsmobile s top-tier models, ensuring they remain a coveted piece of automotive history.

Buying a set of **Oldsmobile 583832 394 V8 Jetstar/Ninety-Eight Starfire cylinder heads** particularly those from the late 1970s or early 1980s can be a great way to restore or upgrade an older GM big-block engine. However, there are several key pros and cons to consider before making a purchase.

1. **Proven Performance** The 394 V8 was a robust engine in its day, and the Jetstar/Ninety-Eight Starfire heads were designed for high-performance applications. With proper modifications (porting, valve job, and modern tuning), these heads can produce strong power, especially in forced-induction or high-compression setups.

2. **Availability of Parts** Since these heads are from a common GM big-block, you can find replacement parts like valves, springs, retainers, and gaskets relatively easily. Aftermarket support (e.g., Edelbrock, Holley, and modern valve springs) is also widely available.

3. **Modifiable for Modern Use** With the right work, these heads can be brought up to modern standards. Porting can improve airflow, and swapping in modern valves and springs can improve reliability. Some enthusiasts also machine the combustion chambers for higher compression.

4. **Cost-Effective for Restoration** If you re restoring a classic Oldsmobile, Cutlass Supreme, or other GM big-block applications, these heads may be cheaper than brand-new aftermarket options while still offering good potential.

5. **Collectible Value** If the heads are in excellent condition and come from a rare or high-performance application (e.g., a Jetstar or Starfire), they may hold some collector value.

1. **Age and Wear** These heads are likely decades old, meaning they may have internal wear (valve guides, seats, or ports) that requires machining or replacement. A thorough inspection is essential before purchase.

2. **Potential for Corrosion** Older heads, especially those exposed to moisture or salt, can suffer from internal corrosion. This can lead to cracked combustion chambers, warped decks, or seized valves.

3. **Outdated Design** Compared to modern heads, these are heavier and less optimized for high-RPM performance. They may not handle extreme boost or high-revving applications as well as newer designs.

4. **Limited Aftermarket Support** While parts exist, some modern components (like high-flow valves or advanced porting techniques) may not be as refined as those for newer engines.

5. **Fuel and Emissions Compliance** If you plan to run these heads in a modern vehicle, you ll need to address emissions concerns (EPA, CARB) unless you re running them in a street rod or classic car with a proper exemption.

6. **Labor-Intensive Restoration** Restoring these heads may require significant machining, porting, and valve work, which can be costly if done professionally.

Buying these cylinder heads can be a **great investment** if you re restoring a classic GM big-block engine and are prepared for the work involved. They offer strong potential for performance with the right modifications, and parts are widely available. However, they may not be the best choice if you re looking for a plug-and-play solution or plan to run extreme power levels without extensive rebuilding.

- **If you re restoring a classic car or building a street rod** and have the skills (or budget) for machining and porting, these heads are worth considering.

- **If you want a modern, high-performance option**, look into aftermarket heads (e.g., Edelbrock, Holley, or modern GM performance parts) that are already optimized for today s fuels and emissions standards.

- **Always inspect the heads thoroughly** before purchasing look for warpage, corrosion, and overall condition. Consider getting them professionally ported and valve-jobbed if you re not experienced in head work.

- **Budget for additional costs** new valves, springs, gaskets, and possibly a port-and-polish service will be necessary for optimal performance.

Ultimately, these heads can be a rewarding project for the right buyer, but they require patience and effort to bring them up to modern standards.

Details:

OLDSMOBILE 394 V8 Jetstar Ninety Eighty Eight Starfire Cylinder Heads Pair.

part #: 583832 prices

• $125.00-$929.99

specifications cylinderheapar:

• for makes: Oldsmobile
• for years: 1961
• mpn: 583832
• fitment type: Direct Replacement
• items included: Valves
• mounting hardware included: No
• material: Cast Iron
• engine code: 394
• vintage part: Yes
• transmission type: Automatic
• type: Cylinder Head
• location id: A502
• manufacturer warranty: 30 Days
• oe/oem part number: Oem, Factory Original Equipment
• engine size: 6.5
• valvetrain iteration: Ohv
• finish: Unfinished
• country of origin: United States

offer cylinderheapar:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: February 12, 2026
• availability: In Stock

returns cylinderheapar:

• policy: No Returns

seller cylinderheapar:

• rating: 100.0%
• city: Island Lake, Illinois
• # reviews: 115

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

payments cylinderheapar:

• other
• credit card: Visa
• wallet: Apple-pay

shipping cylinderheapar:

• carrier: UPS
• cost: $145.00
• class: Standard
• service: UPS Ground
• type: Fixed
• transit: 5-8 Days

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