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Howards Cams 4.125" Stroke Billet Reaper Crankshaft Chevrolet LS w/ 58T Reluctor - 34741256125-58

Howards Cams 4.125" Stroke Billet Reaper Crankshaft for Chevrolet LS

Upgrade your Chevrolet LS engine with the Howards Cams 4.125" Stroke Billet Reaper Crankshaft. This high-performance crankshaft is designed for enthusiasts who demand strength and precision. Crafted from premium E4340 aircraft-quality bar stock, this crankshaft is CNC machined to meet exact tolerances, ensuring optimal performance and reliability.

Key Features

  • Manufactured from E4340 Aircraft Quality Bar Stock: This material is known for its strength and durability, making it ideal for high-performance applications.
  • CNC Machined to Exact Tolerances: Precision machining guarantees a perfect fit and enhanced engine balance.
  • Lightening Holes in All Rod Journals: Reduces weight without sacrificing strength, improving overall engine efficiency.
  • Large Fillet Radii on All Bearing Journals: Promotes better oil flow and reduces stress concentrations.
  • Center Counterweights: Helps maintain balance and stability during operation.
  • Stress Relieved & Shot Peened: These processes enhance the crankshaft's durability and resistance to fatigue.
  • Nitride Hardened for Superior Wear: Increases surface hardness for improved longevity.

Specifications

  • Part Type: Crankshaft
  • Application: Chevrolet LS with 58T Reluctor
  • Crankshaft Material: E4340 Billet Steel
  • Nitrided: Yes
  • Rear Main Seal Style: 1 piece
  • Engine Main Bearing Type: LS Main
  • Stroke: 4.125"
  • Rod Length: 6.125" and up
  • Rod Journal Diameter: 2.100"
  • Crankshaft Snout Size: Standard
  • Engine Balance: Internal
  • Lightening Holes in Rod Throws: Yes
  • Rod Bearings Included: No
  • Requires Narrow Bearings: Yes
  • Main Bearings Included: No
  • Manufacturer: Howards Racing Components
  • Manufacturer's Part Number: 34741256125-58
  • Weight: N/A
  • Warranty: Sold without warranty, expressed or implied
  • Quantity: Sold as Each

Popular Fitments

This crankshaft is compatible with a variety of Chevrolet LS applications, including:

  • Chevrolet Camaro (2002-2015)
  • Chevrolet Corvette (2005-2013)
  • Chevrolet Silverado (2007-2013)
  • Chevrolet Tahoe (2007-2014)

Customer Reviews

Customers have praised the Howards Cams Billet Reaper Crankshaft for its exceptional performance and build quality:

  • "This crankshaft has made a noticeable difference in my LS build. The precision is incredible!"
  • "I love how lightweight it is, yet it feels so strong. Perfect for my racing setup!"
  • "Installation was straightforward, and the fitment is spot on. Highly recommend!"

Whether you're building a street machine or a race-ready engine, the Howards Cams 4.125" Stroke Billet Reaper Crankshaft is an excellent choice to boost your performance and reliability.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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Who is Howards Cams?

Howards Cams is an aftermarket company that Howards Johansen founded in 1945. It started as Howards Power & Racing Equipment and specialized in manufacturing high-performance racing cams for the automotive market. Even after turning the business over their oldest son, the company remained one of the best cam manufacturers in the industry.

Maximizing Their Racing Experience

The company has always used it is on-track experience to create powerful cam profile designs. It is why they have become one of the favorite brands of many top fuel dragster racers and drivers from other racing disciplines such as road racing, mudd bogging, marine racing, and circle track racing.

Advanced Manufacturing Technique

Howards Cams uses the most advanced computer design software to create the most competitive product out there. They offer a wide range of performance parts from camshafts, connecting rods, crankshafts, billet main caps, and forged pistons. All of these are made in the USA to ensure consistent quality.

Purchase Howards Cams Products At Vivid Racing

If you are in the market for high-performance parts for your engine, then look no further as Howard Cams is the brand for you. They have all the parts you need to create a fast machine and is trusted by many racers and enthusiast worldwide. If being on the top podium is your dream, then upgrade your engine with Howard Cams parts. 

To know more about the company, visit Vivid Racing and check out their list of products that fit your specific needs.

Warranty: Howards Cams Hydraulic/Mechanical Flat Tappet Camshafts are 100% Rockwell checked and parkerized at our manufacturing plantin Wisconsin. Howards Cams hydraulic and mechanical lifters are also 100% Rockwell checked for hardness to ensure that our customers receive the best American made components available. To give our customers a performance edge, Howards Cams will unconditionally replace to the original purchaser only, any non-usable hydraulic or mechanical flat tappet camshafts and lifters for 1/2 the amount of the original invoiced purchase price for a period of 6 months from the date of original retail purchase. Howards™ Cams does not warrant the performance of our products due to Howards™ Cams lack of control during product installation and usage. This applies to all camshafts, valve train components and all other racing components in our catalog and product line. Note: Due to oil available today, all Flat Tappet Cams (hydraulic or mechanical) must be initially ran with a quality break-in lube, such as Howards Z.P.M. Max. There is absolutely no warranty, expressed or implied or otherwise, on Howards Cams parts, labor, installation charges or other damaged parts. Howards Cams assumes no responsibility or liability whatsoever on incidental or consequential damages. There are no implied warranties of merchantability or fitness for a particular purpose. Howards Cams neither assumes nor authorizes any person to assume for it, any other obligation or liability in connection with the sale or use of our products. Howards Cams will replace or refund any part that has a manufacturers defect found before installation or alteration. Customers are responsible for blueprinting engine components before installation or startup.
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Sale price None
Wholesale price $1,500.05
Shipping Weight: 54.00
Length: ?
Width: ?
Height: ?
Product Added At Monday 13 May, 2024
Product Modified At Friday 27 June, 2025
Imported By ETLOverride
Last Edited By vendordata@vividracing.com
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Emissions Info
Carb Approved No
Carb Number -
Epa Status -
Prop65 -
Carb Required -
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Vendor Inv Cost Retail Jobber MAP Core Updated
Howards Cams $1,271.23 $1,668.49 $1,589.04 ? ? 2025-06-27 06:05:00


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