GM ORIGINAL 3863108BF Ast Iron Crank Pulley Gr.

( Brand: Gm Original ), ( Manufacturer Part Number: 3863108BF ), ( Type: Crank Pulley ), ( Ipn: 65-72 427 ), ( Oe/oem Part Number: Corvette, 3863108 ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Country/region Of Manufacture: United States )

Review GM ORIGINAL Ast Iron Gr. Crank Deep Pulley #3863108bf fits CORVETTE 427 1965–1972

Introducing the GM 3863108BF 1965-1972 427 Corvette Ast Iron Gr Crank Pulley, a high-performance upgrade for classic Corvette enthusiasts. This crank pulley is meticulously crafted from iron, ensuring superior durability and strength compared to the original factory-installed pulley made of aluminum.

This pulley is specifically designed for 1965-1972 Corvette models equipped with the 427 cubic inch engine, also known as the Mark IV big-block engine. By upgrading to this iron crank pulley, you'll experience increased stability and reliability, making it an excellent choice for high-performance applications and racing.

The GM 3863108BF crank pulley features a smooth, flat, and accurate belt driving surface that ensures optimal belt tracking and tension, reducing the risk of belt slippage and potential engine damage. Its robust construction also helps dissipate heat more effectively, preventing the possibility of warping or cracking, especially during prolonged high-RPM operation.

Installation of this pulley is straightforward and can be accomplished with common hand tools. It comes complete with the necessary hardware, including new crankshaft position sensor mounting bolts, making it a true plug-and-play solution. Additionally, it maintains the same overall size as the factory pulley, ensuring a seamless fitment in your Corvette engine bay.

By upgrading to the GM 3863108BF 1965-1972 427 Corvette Ast Iron Gr Crank Pulley, you'll not only enhance the overall performance and reliability of your classic Corvette but also add a touch of authenticity and style to your engine bay. This is a must-have upgrade for any Corvette enthusiast looking to restore their pride and joy to its former glory or take it to the next level on the track.

The GM 3863108BF crank pulley is a critical component in the engine of a 1965-1972 Corvette with the 427 V8 engine. This part is responsible for driving various accessories such as the water pump, alternator, and power steering pump. Let's examine some pros and cons of purchasing a new GM 3863108BF crank pulley for your Corvette.

1. Improved Performance: A new crank pulley can lead to improved engine performance as it ensures the accessories are driven efficiently and effectively.

2. Reliability: A new crank pulley ensures that your engine accessories are driven smoothly and reliably, reducing the chances of potential failures.

3. Longer Lifespan: A new crank pulley can last longer than a worn-out or damaged one, saving you from frequent replacement costs.

1. Cost: A new GM 3863108BF crank pulley can be expensive, especially when compared to rebuilding or repairing an existing one.

2. Installation: Installing a new crank pulley can be a complex process that requires specialized tools and knowledge.

3. Potential for Other Issues: Replacing a crank pulley may uncover other issues that need to be addressed, which could add to the overall cost.

While the GM 3863108BF crank pulley is an essential component of your Corvette's engine, the decision to replace it depends on various factors. If your current crank pulley is worn out or damaged, a new one can provide improved performance, reliability, and a longer lifespan. However, the cost and complexity of the installation process may deter some. Ultimately, the decision to purchase a new crank pulley depends on your budget, the condition of your current pulley, and your willingness to invest in the long-term health of your Corvette engine.

If you are experiencing issues with your Corvette's engine accessories or suspect that your crank pulley may be worn out, it's recommended to consult a professional mechanic or Corvette specialist for an accurate diagnosis and repair or replacement options. They can assess the condition of your current crank pulley and recommend the best course of action based on your specific situation.

Details:

1965-72 BB 427 Corvette,65-67 SS396 Chevalier ,Camry ,Impala ,Biscayne ,used on High Performance cars, cast iron crank pulley deep 2 groove #3863108 BF,used GM Original.

part #: 3863108bf prices

• $295.00-$309.00

specifications pulleyhop:

• for models: 427, Corvette
• for years: 1965-1972
• brand: Gm Original
• mpn: 3863108bf
• type: Crank Pulley
• ipn: 65-72 427
• oe/oem part number: Corvette, 3863108
• vintage part: Yes
• universal fitment: No
• country/region of manufacture: United States

seller pulleyhop:

• rating: 99.1%
• # reviews: 1124
• city: Virginia

returns pulleyhop:

• paid by: Buyer
• policy: Returns Accepted
• time: 14 Days

shipping pulleyhop:

• service: Economy
• class: Economy
• transit: 4-9 Days
• cost: $16.99
• type: Fixed

offer pulleyhop:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: September 18, 2025
• quantity: 1

general pulleyhop:

• Car Truck Parts Accessories > Accessory Belts > Pulleys
• condition: Used

payments pulleyhop:

• wallet: Paypal
• credit card: Visa
• other

Gm Original 3863108BF Is Similar To:

• Gm 14087536 1985-1997 Chevy Gmc 454 Truck Big Block Bbc Engine Water Pump Pulley Serpentine (37.6% similar) Properly packed and shipped fast. Exact item shown no other parts or hardware included...(May 17th, 2024)
• Gm 14087537 Chevy 454 Engine Crankshaft Pulley 1985-89 502 Bbc Serpentine 2 Groove Crank (34.8% similar) Little rusty but not dented or damaged. Removed from an 89 suburban BBC. Will clean up nice. Exact item shown no other parts or hardware included. Properly packed and shipped fast...(May 17th, 2024)
• Gm 3900434 1967 1968 Chevrolet Camaro Water Pump Pulley Ab (40.5% similar) Gm 3900434 ab water pump pulley and reinforcement washer, sandblasted painted...(May 17th, 2024)
• Chevrolet 3713974 Gm Deep Groove Pulley Water Pump 1957 Corvette black Widow (25.3% similar) If you are building a black widow tribute, this is must have item. It measures 7 1/8.D. This water pump pulley is a used Gm p/n 3713974. It is a deep groove pulley that was used on 1957 corvettes and passenger cars were equipped with either dual quads 270HP or the fuel injection 283HP 283...(May 17th, 2024)
• General Motors 2770245 67 68 Camaro Z28 And Corvette Water Pump Pulley 302 327 3770245 409 Gm Chevy (32.8% similar) Great pulley for your early hi-performance small block 302 or 327. The numerals crisp an clear on this one. Up for sale is a nice used Original 1967 -1968 Z-28 1962 -1968 corvette L79 water pump pulley. Others I have had were hard to make out. This is Gm part# 3770245 cc...(May 18th, 2024)
• Chevrolet 3925537dc 1968-72 Chevy Bb 396 427 Power Steering Pump Pulley 537 Gm Original 1 Gr (17.5% similar) Gm Original # 3925537 dc 396,427 big block only power steering pump pulley, used on the 1968 -1972 Chevy trucks, with blocks ,needs cleaning and paint...(May 20th, 2024)
• Gm 3770509 1963-1974 Oem Chevrolet 283 327 350 Power Steering Pump Pulley 3770509ce (38.2% similar) Original cm power steering pulley 3770509 CE63-74 Chevy has been dipped and painted oem black...(May 21st, 2024)
• General Motors Gm 3751232 63-74 C2 C3 Corvette Crankshaft Power Steering Pulley Small Block V8 (39.8% similar) Nice used Original Gm crankshaft power steering pulley. Shipping info: I only ship to the lower 48 states. USPS is my preferred shipping method but some items may ship ups or FedEx ground. Fits all 1963 to 1974 corvettes with 327 or 350 engines...(May 21st, 2024)
• Chevrolet 1264069sf 1973-1977 Gm 454 Big Block Three Groove Water Pump Pulley (39.5% similar) 73-77 Chevrolet Gm 454 big block three groove water pump pulley 1264069SF...(May 21st, 2024)
• Chevrolet 3790356 1962-1966 Corvette Impala Dual Grove Water Pump Pulley Gm Power Coated (42.7% similar) 1962- 1963 Gm corvette impala dual grove water pump pulley 3790356 power coated 1963 -66 Chevalier power 2 groove #3790356...(May 22nd, 2024)
• Gm 05517 Sbc 327 350 Crankshaft Crank Pulley Double Groove 6 7 8 Inch Aluminum (28.6% similar) This is a 3-BOLT, double groove crankshaft pulley that bolts to the balance run accessories. Approx 6/7 /8 outside diameter. Universal Gm applications. The item in the photo is exact being sold...(May 24th, 2024)