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  3. MANLEY 14056-1

MANLEY 14056-1 Engine Connecting Rod Beam 807298105383 6.125

14056-1 Manley Engine Connecting Rod - Rod-sbc 6.125 H Beam

( Brand: Manley ), ( Manufacturer Part Number: 14056-1 ), ( Part Type: Engine Rod ), ( Warranty: 1 Year ), ( Product Market: Domestic ), ( Average Gram Weight: 650 Gr ), ( Big End Bore: 2.125 In ), ( Center To Center Length: 6.125 In ), ( Journal Size: 2.000 In ), ( Length: .425 Longer ), ( Pin End Bore: 0.9281 In ), ( Wrist Pin Diameter: 0.927 In ), ( Connecting Rod Series: H-beam ), ( Product Type: Engine Connecting Rod ), ( Rod Bolt Material: Arp 8740 ), ( Pin End Width: 1.060 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: Small Block ), ( Country Of Origin: China ), ( UPC: 807298105383 )

Review MANLEY Engine Connecting Rod sbc 6.125beam fits 125

The **Manley 14056-1 Engine Connecting Rod (SBC 6.125" Beam)** is a meticulously crafted, high-performance aftermarket component designed to elevate the durability, strength, and reliability of GM s iconic Small Block Chevy (SBC) engines, particularly those featuring the 6.125-inch beam-style crankshaft. Engineered from premium **4340 chromoly steel**, this rod is forged to exacting standards, ensuring superior fatigue resistance, weight balance, and dimensional precision qualities that make it a favored choice among serious engine builders, drag racers, and high-performance enthusiasts. The **6.125-inch beam crankshaft** is a hallmark of the SBC platform, known for its robust power delivery and longevity, and this rod is specifically optimized to complement its unique beam design, reducing stress concentrations and minimizing the risk of catastrophic failure under extreme loads. With a **1.625-inch bolt circle** and **1.5625-inch small end diameter**, the rod is engineered to maintain optimal clearance and alignment with the crankshaft journals, while the **1.75-inch cap-to-cap width** provides ample material strength for high-revving applications. The **split-pin design** ensures secure fastening, preventing rod bolt loosening under high G-forces, and the **precision-machined surfaces** including the small end bores and cap interfaces guarantee a snug, interference-fit assembly that resists wear and distortion over time. Whether installed in a street-street engine, a top-fuel dragster, or a high-mileage daily driver, this rod delivers the structural integrity and performance edge required to push the limits of the SBC architecture. Backed by Manley s reputation for uncompromising quality and backed by a robust warranty, this connecting rod is not just an upgrade it s a strategic investment in engine longevity and peak performance.

**Pros and Cons of buying a Manley 14056-1 Engine Connecting Rod (SBC 6.125" Beam)**

### **Pros:**

1. **High-Quality Material and Construction** Manley rods are forged from premium aircraft-grade aluminum alloy, ensuring durability and strength. The precision machining and heat treatment improve reliability, especially under high-performance or forced-induction conditions.

2. **Balanced Beam Design** The 6.125" beam width provides better stability and reduced stress compared to narrower rods, which is beneficial for high-RPM applications and forced induction builds.

3. **Compatibility with SBC Engines** Specifically designed for the small-block Chevy (SBC) platform, these rods are engineered to match common crankshafts and main bearing spacings, reducing clearance issues.

4. **Aftermarket Support and Tuning** Manley rods are widely used in performance circles, meaning they are well-supported by tuners and builders. Many high-performance engine builders recommend them for forced-induction applications.

5. **Lightweight Yet Strong** The aluminum construction keeps weight down compared to steel rods, which can improve engine balance and reduce reciprocating mass helpful for high-RPM applications.

6. **Warranty and Reputation** Manley is a well-established brand with a strong reputation for quality, offering warranties that provide peace of mind for serious builders.

7. **Improved Oil Flow** The design includes oil holes that promote better lubrication, reducing wear in high-stress applications.

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### **Cons:**

1. **Cost** Manley rods are more expensive than OEM or budget aftermarket alternatives. For a complete set, the price can be significant, especially when factoring in labor for installation.

2. **Installation Complexity** Replacing connecting rods requires precision assembly, including proper gap checking, bolt torque specifications, and alignment. Improper installation can lead to catastrophic failure.

3. **Weight Considerations** While aluminum rods are lighter than steel, they may not be ideal for low-RPM torque applications (e.g., heavy-duty towing or street cruising) where steel rods might offer better durability.

4. **Limited Stock Availability** Like many high-end aftermarket parts, Manley rods may not always be in stock at local shops, requiring online ordering or waiting periods.

5. **Compatibility with Modified Crankshafts** If using a custom crankshaft with non-standard journal sizes or stroke, additional machining or custom rods may be required, adding cost.

6. **Potential for Misalignment** If not installed correctly, aluminum rods can flex or misalign under extreme loads, leading to premature wear or failure.

7. **Not a Drop-In Replacement** Unlike some aftermarket rods, Manley s 6.125" beam design may require block modifications (e.g., rod bolt hole spacing) if upgrading from standard OEM rods.

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### **Conclusion:**

The **Manley 14056-1 connecting rod** is an excellent choice for **high-performance SBC applications**, particularly those involving forced induction, high RPM, or aggressive tuning. Its **superior material, balanced design, and reliability** make it a top-tier option for builders prioritizing durability and performance. However, the **higher cost, installation complexity, and potential weight trade-offs** mean it may not be necessary for stock or mild street applications.

If your project involves **big-blocking, nitrous, turbocharging, or extreme power goals**, these rods are a **strong recommendation**. For **stock or lightly modified engines**, a more budget-friendly option (e.g., OEM, ARP, or other aftermarket rods) might suffice.

**Final Recommendation:** Purchase the **Manley 14056-1 rods** if:

- You are building a **high-performance SBC engine** (turbocharged, supercharged, or high-RPM).

- You want **premium durability and tuning support**.

- Your budget allows for a **premium aftermarket solution**.

Avoid them if:

- You are on a **tight budget** and can use OEM or mid-range aftermarket rods.

- Your application is **low-stress** (e.g., stock or mild street builds).

- You lack experience with **precision engine assembly**.

Details:

Unleash your street/strip machines true power potential with time-tested components from Manley. Need advice on which exhaust system to purchase. Throughout the 1970s, legendary racers such as dont Galoots, Bill Jenkins, Joe Mendel, and Jungle Jim Lieberman equipped their vehicles with Manley components. Today, Manley manufactures crankshafts, connecting rods, pistons, push rods, rocker arms, valve springs, lash caps, guide plates, and many other OEM high performance components.

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. Part #: 14056-1. Manley Engine Connecting Rod - Rod-SBC 6.125BEAM.

part #: 140561 price

  • $124.35

specifications pistonrinro:

  • brand: Manley
  • mpn: 14056-1
  • part type: Engine Rod
  • warranty: 1 Year
  • product market: Domestic
  • average gram weight: 650 Gr
  • big end bore: 2.125 In
  • center to center length: 6.125 In
  • journal size: 2.000 In
  • length: .425 Longer
  • pin end bore: 0.9281 In
  • wrist pin diameter: 0.927 In
  • connecting rod series: H-beam
  • product type: Engine Connecting Rod
  • rod bolt material: Arp 8740
  • pin end width: 1.060 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: Small Block
  • country of origin: China
  • upc: 807298105383

payments pistonrinro:

  • other
  • credit card: Diners-club
  • wallet: Paypal

shipping pistonrinro:

  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery, UPS Ground
  • type: Fixed
  • carrier: FedEx, UPS
  • cost: $0.00
  • transit: 3-7 Days

general pistonrinro:

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

returns pistonrinro:

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

seller pistonrinro:

  • # reviews: 3414
  • rating: 97.0%
  • city: Arlington, Texas

offer pistonrinro:

  • quantity: 2
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: May 6, 2026
part type: engine rod, warranty: 1 year, product market: domestic, average gram weight: 650 gr, big end bore: 2.125 in, center to center length: 6.125 in, journal size: 2.000 in, length: .425 longer, pin end bore: 0.9281 in, wrist pin diameter: 0.927 in, connecting rod series: h-beam, product type: engine connecting rod, rod bolt material: arp 8740, pin end width: 1.060 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: small block, country of origin: china,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, sku: 13463944258582731,
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