SKU: 251-2803 | UPC: 672036038014
ARP Flywheel Bolt Kit for 1985-1996 Ford Cosworth YB
ARP Flywheel Bolt Kit 251-2803 secures flywheels and flexplates in Ford Cosworth YB engines found in Sierra Cosworth and Escort RS Cosworth models from 1985 to 1996. These bolts deliver 180,000 PSI tensile strength from heat-treated 8740 chromoly steel construction for dependable power transfer in street and track use. The kit includes six M12x1.25 bolts at 2.220 inches overall length with matching hardened washers.
Key Features
- 180,000 PSI Tensile Strength: Handles extreme torque loads in high-performance Cosworth YB applications without failure
- 8740 Chromoly Steel: Aerospace-grade alloy forged and heat-treated before thread rolling for maximum fatigue resistance
- Black Oxide Finish: Provides corrosion resistance and reduces friction during installation
- 12-Point Flat Head Design: Ensures positive engagement and easier access in tight engine bays
- Larger Shank Diameter: Improves flywheel registration and strength over stock hardware
Product Notes
- Designed as direct replacement for OEM flywheel bolts in Cosworth YB engines
- Use ARP Ultra-Torque lubricant for accurate torque values
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Torque to 85 ft-lbs using ARP specifications and proper thread cleaner
- Compatible with stock and aftermarket flywheels on YB crank flange
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1985-1986 | Ford | Sierra | Cosworth |
| 1987-1990 | Ford | Sierra | Sapphire Cosworth |
| 1992-1996 | Ford | Escort | RS Cosworth |
Why Choose ARP?
- Trusted by NASCAR and motorsports teams for critical fasteners
- Engineered in USA with precise machining tolerances
- Backed by limited lifetime warranty against manufacturing defects
Frequently Asked Questions
- Q: Does this kit fit all Ford Cosworth YB engines?
A: Yes it fits 1985-1996 Sierra Cosworth, Sapphire Cosworth, and Escort RS Cosworth with 2.0L or 2.1L YB turbo engines including swaps - Q: What is the material and finish used?
A: Forged 8740 chrome moly steel with black oxide finish for strength and rust protection - Q: What is the warranty and installation process?
A: Limited lifetime warranty. clean threads, apply ARP lube, torque to 85 ft-lbs in sequence for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact protective box 4 x 3 x 1 inches
- Weight: 0.31 lbs
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