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FHS Lightning Modified 4-Cycle Engine Race Oil - 1 Quart
FHS Lightning Modified 4-Cycle Engine Race Oil - 1 Quart
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FHS Lightning Modified 4-Cycle Engine Race Oil - 1 Quart

Part Number: FHS-LM
Online Price: $13.99
Phone Order Price:$16.99
You Save:$3.00(18%)
FHS Lightning Modified 4 Cycle Modified Engine Race Oil
Availability: In Stock.

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Description

FHS Lightning Race Oil – Premium Medium Racing Oil for Methanol Engines


FHS Lightning Race Oil is part of the proven FHS Lightning Series, specifically formulated as a medium-weight oil for high-RPM, methanol-powered engines. Ideal for larger small-blocks and big-block engines, this oil excels in demanding racing environments, especially in open-modified Flathead engines turning 10,000+ RPM.


Designed for Power and Protection

The Lightning Series is the foundation of the FHS racing oil lineup—trusted by engine builders and racers for decades. These oils feature proprietary additive packages developed through years of research, testing, and performance validation on the track. The result? Unmatched film strength and exceptional engine protection, especially under the extreme stress of methanol-fueled competition engines.


Recommended Use

  • Best for high-RPM flathead race engines
  • Works exceptionally well in methanol-fueled 4-stroke engines
  • Suitable for open-modified karting, drag racing, or high-performance builds
  • Medium weight formulation optimized for larger displacement and hotter-running engines


Why Frequent Oil Changes Matter

Unlike automotive engines with oil filters and cooling systems, air-cooled kart and industrial racing engines run much hotter and lack filtration. No matter how premium your oil is—whether it's a specialty racing oil or a big-name store brand—it needs to be replaced frequently.

FHS Recommends:

  • Race engines: Change oil every race day
  • Mild or recreational builds: Change oil every 5 hours of runtime
  • Change more frequently if budget and performance goals allow

This ensures maximum protection from wear, contamination, and power loss—especially in methanol applications where breakdown happens faster.


Key Features:

  • Medium weight for optimal balance of cooling and protection
  • Excellent for methanol-fueled engines at high RPM
  • Designed for 4-stroke engines without oil filters
  • Developed for endurance and performance under heat and pressure
  • Trusted by racers for decades across karting and small engine racing circuits

FAQ

Q1: What engines is FHS Lightning Race Oil best suited for?

A: This oil is specifically formulated for high-RPM 4-stroke engines, especially open-modified flathead engines, larger small-blocks, and big blocks that run on methanol and turn over 10,000 RPM.


Q2: What weight is the FHS Lightning Race Oil?

A: It is a medium-weight oil, offering a perfect balance between protection and performance—ideal for engines that run hot and hard under race conditions.


Q3: Can I use this oil in engines that aren’t running methanol?

A: While it’s optimized for methanol-fueled engines, it may still offer benefits in other high-performance racing applications. However, for best results, it’s recommended for use with methanol setups.


Q4: How often should I change my oil with this product?

A:

  • Race engines: After every race day
  • Mild/recreational builds: Every 5 hours of runtime
  • More frequent changes are recommended for peak performance and engine protection.


Q5: What makes FHS Lightning oil different from other racing oils?

A: FHS Lightning oils use proprietary enhancers that provide unmatched film strength, heat resistance, and wear protection. These oils have been tested and proven over decades in the most demanding racing conditions.

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