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SKU: 108-5401 | UPC: 672036043773
ARP Honda 1.5L L15 4Cyl Main Stud Kit 2009-2013 Honda Fit
ARP 108-5401 main stud kit upgrades the factory main bolts on Honda 1.5L L15A7 4-cylinder engines found in 2009-2013 Honda Fit models. These studs provide secure clamping of main caps to withstand high cylinder pressures from boosted or high-RPM applications. Engine builders rely on this kit for rebuilds demanding dependable bottom-end strength.
Key Features
- 8740 Chromoly Construction: Heat-treated steel offers 200,000 psi tensile strength to resist stretching under extreme loads
- 12-Point Nuts: Precision-machined for accurate torque application and even clamping pressure on main caps
- Parallel Ground Washers: Ensure flat seating surfaces for consistent load distribution and prevent distortion
- Exact-Fit Threads: Match OEM main cap threads perfectly for drop-in installation without machining
- Black Oxide Finish: Resists corrosion during long-term engine use and storage
Product Notes
- Use ARP Ultra-Torque assembly lubricant on threads and under nut faces for precise torque values
- Torque studs to ARP specifications during installation for optimal performance
- Inspect and clean main cap bores before assembly to achieve proper stud alignment
Installation Notes
- Professional installation recommended.
- Apply moly or ARP lube sparingly to stretch-critical areas only
- Compatible with stock main caps and girdle on L15A7 engines
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2013 | Honda | Fit | Base |
| 2009-2013 | Honda | Fit | Sport |
Why Choose ARP?
- Proven in NHRA, NASCAR, and endurance racing for decades
- Every batch undergoes rigorous tensile and yield testing
- Engineered with exact OEM dimensions for seamless integration
Frequently Asked Questions
-
Q: Will this kit fit 2014 and newer Honda Fit models?
A: No, it fits only 2009-2013 Honda Fit with L15A7 1.5L SOHC engine, not later L15B engines -
Q: What material are the studs made from?
A: Forged 8740 chromoly steel, heat-treated to 200,000 psi tensile and 170,000 psi yield strength -
Q: What is the warranty on this ARP kit?
A: ARP provides a lifetime warranty against material and manufacturing defects in the fastener
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective retail box 2 x 6 x 7 inches
- Weight: 1 lb
Read More
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ARP (Automotive Racing Products) is the world’s premier manufacturer of high-strength engine and driveline fasteners—head studs and bolts, main studs, rod bolts, and more—engineered and manufactured in-house from start to finish for race-proven reliability. With vertically integrated processes that include cold heading, machining, heat-treating, thread rolling after heat treat, and rigorous QA, ARP maintains aerospace-level certifications (ISO 9001 and AS9100) and validates every part for repeatable clamp load and fatigue resistance. Signature alloys such as 8740 chromoly, ARP2000, L19, and Custom Age 625+ deliver ultimate tensile strengths up to the super-alloy range, while ARP Ultra-Torque fastener assembly lubricant helps achieve consistent pre-load during installation. From street performance builds to professional motorsport programs, ARP fasteners provide precise fitment, superior metallurgy, and the durability needed to keep engines together at elevated cylinder pressures and...
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