SKU: 206-6001 | UPC: 672036008048
ARP BMC A Series 3/8in Rod Bolt Kit for 1964-1971 Mini Cooper S 1275cc
ARP BMC A Series 3/8in Rod Bolt Kit upgrades connecting rods in 1275cc BMC A-Series engines found in 1964-1971 Mini Cooper S, 1966-1971 Austin Healey Sprite MK IV, and 1967-1974 MG Midget. This kit provides consistent clamp load to handle high-rpm demands and prevent rod failures in modified builds. Engineered with ARP2000 material for strength in street and race applications.
Key Features
- ARP2000 Alloy: Delivers tensile strength over 200,000 psi for durability under extreme stress
- Precision-Rolled Threads: Ensures maximum thread strength fatigue resistance and precise torque values
- 3/8″-24 x 2.650″ UHL: Direct replacement sizing for BMC A-Series 1275cc rods with exact fitment
- 10-Piece Set: Includes bolts and hardware for five connecting rods complete coverage
- Hex Head Design: 9/16″ socket compatible for easy installation and reliable torque application
Product Notes
- Confirm existing rod bolts measure 3/8″ diameter before ordering
- Pair with ARP Ultra-Torque lubricant for optimal performance
- Store in dry conditions to maintain thread integrity
Installation Notes
- Professional installation recommended.
- Clean rod and block threads remove residue for secure fit
- Torque in ARP-specified sequence to 55-60 ft-lbs dry or per lube instructions
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1964-1971 | Mini | Cooper S | 1275cc A-Series |
| 1966-1971 | Austin Healey | Sprite | MK IV 1275cc |
| 1967-1974 | MG | Midget | MK III/MK IV 1275cc |
| 1964-1971 | Morris | Mini Cooper S | 1275cc A-Series |
| 1965-1980 | Austin | Mini | 1275cc A-Series |
Why Choose ARP?
- Used by NHRA and SCCA race teams for proven results
- Manufactured to aerospace standards in the USA
- Backed by ARP lifetime warranty on fastener failure
Frequently Asked Questions
- Q: Does this kit fit early A-Series engines?
A: Designed for 1275cc BMC A-Series rods with 3/8″ bolts models from 1964 onward. Early 5/16″ rods need ARP 206-5902. - Q: What material are the bolts made from?
A: ARP2000 chrome moly alloy with tensile strength exceeding 200,000 psi rated for 2,000 horsepower applications. - Q: What torque specs should I use?
A: Follow ARP instructions 55 ft-lbs dry or 45 ft-lbs with Ultra-Torque lube re-torque after break-in.
Shipping & Handling
- Method: UPS Ground / USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-lined box 6 x 4 x 1 inches
- Weight: 0.35 lbs
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