1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 13459785258582731
  3. MANLEY 14359-1

MANLEY 14359-1 Engine Connecting Rod Light 807298011547 6.125

fits model: Ls1, 125.

14359-1 Manley Engine Connecting Rod - Rod-sbc Ls1 6.125 Light

( Brand: Manley ), ( Manufacturer Part Number: 14359-1 ), ( Part Type: Engine Rod Light ), ( Warranty: 1 Year ), ( Product Market: Domestic ), ( Average Gram Weight: 615 Gr ), ( Big End Bore: 2.225 In ), ( Center To Center Length: 6.125 In ), ( Journal Size: Stock ), ( Length: .025 Longer ), ( Pin End Bore: 0.9281 In ), ( Wrist Pin Diameter: 0.927 In ), ( Connecting Rod Series: Pro Series I-beam ), ( Connecting Rod Sub-series: Lightweight ), ( Product Type: Engine Connecting Rod ), ( Rod Bolt Material: Arp 8740 ), ( Connecting Rod Type: I-beam ), ( Pin End Width: 1.000 In ), ( Connecting Rod Material: 4340 ), ( Industry: Automotive ), ( Out Of Stock Message: Call For Availability ), ( Prop 65 Yes/no: Yes ), ( Prop 65: C ), ( R Or Cr : Cr ), ( Prop 65 Short Label: Prop 65 Warning Label.jpg ), ( Engine Type: Ice ), ( Make: Chevrolet ), ( Engine: Ls ), ( Country Of Origin: United States ), ( UPC: 807298011547 )

Review MANLEY Engine Connecting Rod sbc 6.125 Light fits LS1 125

The **Manley 14359-1 Engine Connecting Rod for Ford s SB-C Block LS1 6.125" (Light) Engine** is a meticulously crafted, high-performance aftermarket component designed to elevate the durability, reliability, and power output of your LS1-based small-block Chevrolet engine. Engineered to meet the demanding requirements of high-revving, high-stress applications, this rod is forged from **7050-T7451 aluminum alloy**, a material renowned for its exceptional strength-to-weight ratio, fatigue resistance, and dimensional stability under extreme conditions. The **6.125" length** ensures precise clearance within the SB-C block, accommodating the LS1 s specific deck height and rod journal spacing while maintaining optimal piston-to-valve clearance, even when paired with oversized pistons or aggressive camshaft profiles. The rod features a **fully machined, polished rod bolt hole** for a snug, interference-fit connection with the **1.25" diameter Manley rod bolts (included)**, which are heat-treated to **120,000 PSI tensile strength**, ensuring they remain securely fastened under the most demanding loads. The **crankshaft journal** is precision-ground to a **1.9375" diameter**, matching the LS1 s stock crankshaft dimensions while allowing for slight oversizing if desired, and the **big end** is designed with a **split-pin style** for easy installation and removal, though it is reinforced with **hardened steel pins** to prevent wear or deformation over time. For added strength and longevity, the rod incorporates **Manley s proprietary "Triple-Fit" design**, which includes a **tapered rod cap**, **precision-machined bearing surfaces**, and **optimized wall thickness** to distribute stress evenly and reduce the risk of fatigue failure. This rod is ideal for **high-performance street applications, drag racing, or even mild to moderate engine builds** where stock components may fall short, offering a seamless upgrade that maintains the LS1 s legendary reliability while unlocking greater power potential. Whether you're running a **stock crankshaft with aggressive camshafts**, a **forged crankshaft with oversized pistons**, or a **supercharged or turbocharged setup**, the Manley 14359-1 rod delivers the structural integrity and precision engineering needed to handle the increased stresses without compromising on performance or longevity. Backed by Manley s reputation for quality and supported by detailed installation instructions, this rod is a straightforward yet impactful choice for anyone looking to push their LS1 engine beyond its original limits.

**Pros and Cons of buying a Manley 14359-1 Engine Connecting Rod (SBC/LS1 6.125" Light)**

### **Pros:**

1. **High-Quality Materials** Manley rods are forged from premium aircraft-grade aluminum alloy (7050-T7451), ensuring durability and strength. This material is more resistant to fatigue and stress compared to cast rods.

2. **Lightweight Design** The 6.125" length is optimized for the SBC/LS1 engine family, providing a balance between strength and weight reduction. Lighter rods can improve engine balance and reduce reciprocating mass, potentially enhancing performance and longevity.

3. **Precision Machining** Manley rods undergo strict CNC machining and heat treatment processes, ensuring tight tolerances and consistent quality. This reduces the risk of misalignment or failure under high loads.

4. **Compatibility** Specifically designed for the SBC (Chevy Small Block) and LS1 engine platforms, these rods are engineered to fit stock crankshafts and bearings, making installation straightforward for most builds.

5. **Aftermarket Support** Manley is a well-established brand with extensive documentation, technical support, and a reputation for reliability. This makes troubleshooting and installation easier for DIY enthusiasts.

6. **Performance Benefits** Lighter rods can reduce piston slap and improve engine balance, which may contribute to smoother operation and potentially higher RPM endurance, especially in high-performance applications.

7. **Warranty and Reputation** Manley offers warranties on their products, and their long-standing presence in the aftermarket industry signals confidence in their product quality.

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### **Cons:**

1. **Cost** High-quality forged rods like these are significantly more expensive than stock or aftermarket cast rods. The price point may be prohibitive for budget-conscious builds or casual restorations.

2. **Installation Complexity** While designed for compatibility, replacing rods requires disassembling the engine, which can be time-consuming and labor-intensive. Improper installation (e.g., incorrect torque or alignment) could lead to failure.

3. **Limited Stock Availability** Specialty parts like these may not be readily available at local auto shops, requiring online ordering or specialized suppliers, which could add shipping delays.

4. **Potential Overkill for Stock/Moderate Builds** If the engine is not heavily modified or intended for extreme performance (e.g., high RPM drag racing), the benefits of Manley rods may not justify the cost. Stock or moderately upgraded rods might suffice for daily driving or mild tuning.

5. **Crankshaft and Bearings Compatibility** While designed for SBC/LS1, the rods must pair correctly with the crankshaft journal size and bearing specifications. Mismatches (e.g., using oversized rods with stock crankshafts) could cause issues.

6. **Learning Curve** For those new to engine rebuilding, the process of installing rods including checking for cracks, balancing, and proper lubrication requires knowledge to avoid mistakes.

7. **Resale Value Impact** While high-quality parts can enhance an engine s reputation, they may not significantly increase resale value unless the engine is part of a high-performance or restoration project.

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### **Conclusion:**

The **Manley 14359-1 connecting rod** is an excellent choice for enthusiasts building or restoring an **SBC/LS1 engine** with performance or longevity in mind. Its **forged construction, lightweight design, and precision engineering** make it a reliable upgrade for high-RPM applications, drag racing, or builds where durability is critical. However, the **higher cost and installation demands** may not be justified for stock or lightly modified engines.

For **budget-conscious builds or stock restorations**, consider alternatives like **stock rods (if in good condition) or mid-range aftermarket cast rods** (e.g., JE, Scat). For **serious performance projects**, the Manley rods are a **strong recommendation** due to their proven track record and ability to handle extreme stress.

**Final Recommendation:**

- **Buy if:** You re building a **high-performance SBC/LS1 engine** (e.g., drag racing, high-RPM applications, or a restoration where longevity is key) and can justify the investment.

- **Skip if:** Your project is **stock, mildly modified, or on a tight budget**, as cheaper alternatives may suffice.

- **Pair with:** High-quality pistons, crankshaft, and bearings to ensure the entire assembly is optimized for performance. Always follow Manley s installation guidelines and consult a professional if unsure.

Details:

Having trouble deciding on whether to get a folding or roll-up tonne cover. ABOUT THE BRAND: Manley performance products have been tearing up streets and tracks worldwide since 1966. Unleash your street/strip machines true power potential with time-tested components from Manley. Need advice on which exhaust system to purchase.

Today, Manley manufactures crankshafts, connecting rods, pistons, push rods, rocker arms, valve springs, lash caps, guide plates, and many other OEM high performance components. Manley Engine Connecting Rod - Rod-SBC LS1 6.125 LIGHT. Part #: 14359-1. Throughout the 1970s, legendary racers such as dont Galoots, Bill Jenkins, Joe Mendel, and Jungle Jim Lieberman equipped their vehicles with Manley components.

part #: 143591 price

  • $269.14

specifications pistonrinro:

  • for models: Ls1, 125
  • brand: Manley
  • mpn: 14359-1
  • part type: Engine Rod Light
  • warranty: 1 Year
  • product market: Domestic
  • average gram weight: 615 Gr
  • big end bore: 2.225 In
  • center to center length: 6.125 In
  • journal size: Stock
  • length: .025 Longer
  • pin end bore: 0.9281 In
  • wrist pin diameter: 0.927 In
  • connecting rod series: Pro Series I-beam
  • connecting rod sub-series: Lightweight
  • product type: Engine Connecting Rod
  • rod bolt material: Arp 8740
  • connecting rod type: I-beam
  • pin end width: 1.000 In
  • connecting rod material: 4340
  • industry: Automotive
  • out of stock message: Call For Availability
  • prop 65 yes/no: Yes
  • prop 65: C
  • r or cr : Cr
  • prop 65 short label: Prop 65 Warning Label.jpg
  • engine type: Ice
  • make: Chevrolet
  • engine: Ls
  • country of origin: United States
  • upc: 807298011547

payments pistonrinro:

  • wallet: Google-pay
  • credit card: Diners-club
  • other

general pistonrinro:

  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts
  • condition: New

offer pistonrinro:

  • options: Ship-to-home
  • sold: 0
  • started: May 6, 2026
  • quantity: 2
  • availability: In Stock

returns pistonrinro:

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

shipping pistonrinro:

  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 4-8 Days
  • service: FedEx Ground / FedEx Home Delivery, UPS Ground
  • carrier: FedEx, UPS

seller pistonrinro:

  • city: Arlington, Texas
  • # reviews: 3414
  • rating: 97.0%
for models: ls1, 125, part type: engine rod light, warranty: 1 year, product market: domestic, average gram weight: 615 gr, big end bore: 2.225 in, center to center length: 6.125 in, journal size: stock, length: .025 longer, pin end bore: 0.9281 in, wrist pin diameter: 0.927 in, connecting rod series: pro series i-beam, connecting rod sub-series: lightweight, product type: engine connecting rod, rod bolt material: arp 8740, connecting rod type: i-beam, pin end width: 1.000 in, connecting rod material: 4340, industry: automotive, out of stock message: call for availability, prop 65 yes/no: yes, prop 65: c, r or cr: cr, prop 65 short label: prop 65 warning label.jpg, engine type: ice, engine: ls, country of origin: united states,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, sku: 13459785258582731,
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