GM 380545 Cylinder Heads Z-28 A-13-3 A-12-3

( Brand: Gm ), ( Manufacturer Part Number: 380545 ), ( Type: Cylinder Head ), ( Material: Steel ), ( Vintage Part: Yes )

Review GM Pair Z28 Z-28 Cylinder Heads And fits CAMARO CORVETTE LT-1 1973

The GM 380545 1973-73 Camaro/Corvette LT-1 Z28/Z-28 Cylinder Heads (A-13-3, A-12-3) are a set of high-performance replacement cylinder heads specifically designed for the iconic 1973-73 Chevrolet Camaro and Corvette vehicles equipped with the powerful LT-1 V8 engine. These cylinder heads are part of the Z28/Z-28 performance package, known for their excellent power and reliability.

The A-13-3 and A-12-3 versions of these cylinder heads share many similarities but also have some key differences that cater to different performance requirements. Both versions feature an aluminum alloy construction, which is lighter than the original cast-iron heads, reducing engine weight and increasing overall vehicle performance.

The A-13-3 cylinder heads are known for their increased flow capacity, which significantly improves engine breathing, fuel efficiency, and power output. They feature large 2.12-inch intake and 1.60-inch exhaust valves, as well as a high-flow port design that provides optimum combustion chamber filling and efficient scavenging. Additionally, the A-13-3 heads have a unique intake port shape and a larger valve cavity, resulting in improved engine response and a more powerful throttle response.

On the other hand, the A-12-3 cylinder heads are designed for a more balanced performance and durability. They feature slightly smaller 2.02-inch intake and 1.55-inch exhaust valves, which while not as high-flow as the A-13-3 heads, still offer excellent performance and reliability. The A-12-3 heads also have a more conventional intake port shape and valve cavity, which makes them a good choice for daily drivers or for those who prioritize engine durability over maximum power output.

In summary, the GM 380545 1973-73 Camaro/Corvette LT-1 Z28/Z-28 Cylinder Heads (A-13-3, A-12-3) are a top-quality replacement for your classic muscle car's original cylinder heads. They offer increased performance, improved engine breathing, and improved engine response, making them an excellent choice for enthusiasts looking to upgrade their Camaro or Corvette's engine. Whether you're looking for maximum power or a more balanced performance and durability, these cylinder heads have you covered.

1. Authenticity: These cylinder heads are original parts from General Motors, ensuring quality and reliability.

2. Performance: The LT-1 engine is known for its powerful performance, and these cylinder heads are specifically designed to enhance that power.

3. Rarity: These cylinder heads are not commonly found, making them a desirable find for collectors and enthusiasts.

1. Cost: Original parts like these can be expensive, and the price may be a deterrent for some buyers.

2. Availability: As mentioned, these parts are not commonly found, so finding a reliable seller may be a challenge.

3. Installation: Installing these cylinder heads requires specialized knowledge and tools, so the cost of installation may also be a factor to consider.

Ending conclusion: If you are a collector or an enthusiast with the necessary knowledge and resources, these original LT-1 Z28/Z-28 cylinder heads can enhance the performance and value of your 1973 Camaro/Corvette. However, if you are not experienced in installing such parts, it may be worth considering alternatives that are more user-friendly or cost-effective. Ultimately, the decision to purchase these cylinder heads should be based on your specific needs, budget, and expertise.

Details:

These heads feature 2.02 intake and 1.60 exhaust valves screw in studs guide plates. The heads have been ported just a bit on the intake and exhaust side. You can still use stock intake and exhaust manifolds with no problem. Hard set of nicely dated 73 Z-28 heads.

These are GM cast# 380545 and dated A-12-3 A-13-3. Up for sale is a pair of 1973 Small Block Z-28 LT-1 cylinder heads.

part #: 380545 prices

• $1075.95-$1153.38

specifications cylinderheapar:

• for models: Lt-1, Camaro, Corvette
• for years: 1973
• brand: Gm
• mpn: 380545
• type: Cylinder Head
• material: Steel
• vintage part: Yes

general cylinderheapar:

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

returns cylinderheapar:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

seller cylinderheapar:

• rating: 99.8%
• # reviews: 3627
• city: Leo, Indiana

payments cylinderheapar:

• wallet: Paypal
• other
• credit card: Mastercard

offer cylinderheapar:

• started: August 7, 2024
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

shipping cylinderheapar:

• type: Fixed
• cost: $99.00
• service: Economy
• transit: 3-8 Days
• class: Economy

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