SPEEDMASTER 1-276-011 Forged Steel Crankshaft Seal Bal 4340 3.750

( Brand: Speedmaster ), ( Manufacturer Part Number: 1-276-011 ), ( Part Type: Seal Crankshaft ), ( Manufacturer Warranty: 1 Year ), ( Material: Forged Steel )

Review SPEEDMASTER Ford Forged 4340 Steel Crankshaft 3.750 Inch Std seal External Bal fits 351C STD 750

Speedmaster 1-276-011 Ford 351C Forged 4340 Steel Crankshaft - Standard Seal Balanced

The Speedmaster 1-276-011 Ford 351C Forged 4340 Steel Crankshaft is a high-performance component designed to deliver exceptional durability and power for your Ford engine. Crafted from premium 4340 chrome-molybdenum steel, this crankshaft is known for its superior strength and resistance to fatigue, making it an ideal choice for performance-driven applications.

This forged crankshaft features a standard 3.750-inch stroke, which provides a balance between low-end torque and high-RPM power. The crankshaft is precision-machined to exacting standards, ensuring a perfect fit in your Ford 351C engine.

One of the standout features of this crankshaft is its standard seal design. This design ensures a reliable seal between the crankshaft and the engine block, preventing oil leaks and maintaining optimal oil pressure. The crankshaft is also balanced, reducing vibration and ensuring a smoother, quieter operation.

The Speedmaster 1-276-011 Ford 351C Forged 4340 Steel Crankshaft is a testament to Speedmaster's commitment to quality and performance. It is designed to withstand the rigors of high-performance applications, delivering the power and reliability you need to take your Ford engine to the next level. Whether you're building a hot rod, restoring a classic, or simply seeking a robust replacement for your worn-out crankshaft, the Speedmaster 1-276-011 Ford 351C Forged 4340 Steel Crankshaft is an excellent choice.

Analysis of the Speedmaster 1-276-011 Ford 351C Forged 4340 Steel Crankshaft (3.750 std-seal bal) for Your Engine Upgrade

1. High-Quality Material: The crankshaft is made from 4340 steel, a material known for its strength and durability, making it ideal for high-performance applications.

2. Forged Construction: Forged crankshafts are more resistant to fatigue and deformation compared to cast crankshafts, ensuring better reliability and longevity.

3. Standard Seal Balance: This design ensures an even distribution of forces across the crankshaft, reducing vibration and improving overall engine performance.

4. Suitability: Compatible with Ford 351C engines, making it a direct fit for many vehicles.

1. Cost: Forged crankshafts tend to be more expensive than their cast counterparts, which could be a deterrent for budget-conscious buyers.

2. Expert Installation: Installing a forged crankshaft requires specialized tools and knowledge, so it may be necessary to hire a professional for installation.

3. Potential Clearance Issues: Depending on your engine bay and existing components, the larger forged crankshaft may cause clearance issues that would require modifications.

The Speedmaster 1-276-011 Ford 351C Forged 4340 Steel Crankshaft (3.750 std-seal bal) offers significant benefits for performance enthusiasts, particularly its strength, durability, and improved balance. However, its high cost and potential installation challenges should be carefully considered.

If you're looking to upgrade your Ford 351C engine for increased performance and reliability, and you have the necessary budget and expertise, this forged crankshaft could be a worthwhile investment. If budget or technical skills are concerns, alternative options, such as high-quality cast crankshafts, may be more suitable. Always ensure that you're making informed decisions based on your specific needs and circumstances.

Details:

Minimum Rod length in: 6.200 in. Specs Brand: Speedmaster Part Number: 1-276-011 Type: Crankshaft Product Line: 4340 Forged Steel Rear Main Seal Style: Standard Engine Stroke in: 3.750 in. Rod bearings may need to be chambered or alternatively use narrow rod. Tool: Striker Combinations, Speedmaster forged standard weight crankshafts are designed for street or race engines with substantially increased horsepower.

Balance Bolt Thread Size: Standard Crankshaft Snout Style: Quantity: Sold individually. Speedmaster crankshafts are also nitrite-hardened for superior wear resistance, have straight-shot and chambered oil holes, feature lightening holes in all rod throws. Notes: Check the bearing to crank radius clearance. Main Journal Diameter in: 2.749 in.

Crankshaft Material: Forged 4340 Steel Engine Balance: 28 oz. These crankshafts also have a large radius on all journals for improved strength and wear resistance. Speedmaster crankshafts are precision-ground, heat-treated, shot-preened, inspected, and micro-polished for superior tolerance control.

specifications cranshafengin:

• for models: 351c, Std, 750
• for makes: Ford
• brand: Speedmaster
• mpn: 1-276-011
• part type: Seal Crankshaft
• manufacturer warranty: 1 Year
• material: Forged Steel

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

returns cranshafengin:

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

offer cranshafengin:

• quantity: 3
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: January 25, 2026

shipping cranshafengin:

• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• transit: 5-11 Days
• carrier: FedEx
• type: Fixed

payments cranshafengin:

• credit card: Mastercard
• other
• wallet: Google-pay

seller cranshafengin:

• # reviews: 1909
• rating: 99.5%
• city: Rialto, California

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