SKU: 201-6304 | UPC: 672036044800
ARP BMW M10 Rod Bolt Kit for 1968-1987 BMW 2002 E21 320i 323i
The ARP BMW M10 rod bolt kit 201-6304 replaces factory bolts in BMW M10 inline-4 engines powering classic 2002 and E21 3 Series models from 1968 to 1987. These high-strength bolts withstand extreme cylinder pressures and RPM in performance builds including turbo and race applications. Engine builders rely on ARP for secure rod fastening that prevents failures during hard use.
Key Features
- Forged 8740 Chromoly Steel: Heat treated to 200,000 PSI tensile strength resists stretching and fatigue under high loads
- Rolled Threads: Boosts thread strength by 40 percent over cut threads for longer life in demanding conditions
- ARP2000 Lube Included: Provides consistent clamp load with reduced friction for precise torquing
- Exact M10 Dimensions: M10 x 1.5 thread size 6.875 inch overall length matches OEM specs for drop-in fit on M10 rods
- Complete Set of 8: Full kit covers all connecting rods on M10 1.5L to 2.0L engines
Product Notes
- Use ARP Ultra-Torque or moly assembly lube on threads and under bolt heads during installation
- Inspect rods for wear and resize if needed before bolt installation
- Packed in protective tube to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Torque to 65-70 ft-lbs in 3 stages using ARP lube consult full instructions for exact specs
- Compatible with stock BMW M10 H-beam or I-beam connecting rods no rod modifications required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1968-1976 | BMW | 2002 | All |
| 1971-1974 | BMW | 2002 | tii |
| 1973-1974 | BMW | 3.0 CS | All |
| 1975-1976 | BMW | 3.0 S | All |
| 1977-1983 | BMW | 320i | All |
| 1981-1983 | BMW | 323i | All |
| 1980-1983 | BMW | 320iS | All |
Why Choose ARP?
- Used in winning race engines from drag to endurance series
- Every bolt tested for consistent strength and balance
- Made in USA with strict quality controls
Frequently Asked Questions
- Q: Does this kit fit E21 320i with M10B20 engine?
A: Yes fits all factory M10 engines in 1968-1987 BMW 2002 E21 320i 323i and CS models no exceptions for stock bore/stroke - Q: What material and strength rating?
A: Forged 8740 chromoly steel construction heat treated to 200,000 PSI minimum tensile strength with rolled threads for superior fatigue resistance - Q: What warranty coverage?
A: Lifetime warranty against defects in materials or workmanship when installed and torqued per ARP guidelines
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure tube in 7 x 5 x 1 inch box
- Weight: 0.8 lbs
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