ARP INLINE FLYWHEEL BOLT KIT
Description
This ARP kit includes six bolts to fix the inline Sprite/Midget A-Series flywheel to the crankshaft.
We highly recommend these for all performance engine builds, road or race.
Torque to 55lb.ft.
Please note, this kit does not suit the Mini.
Frequently Asked Questions
What is the material spec?
These bolts are machined from ARP2000, an alloy steel with a tensile strength of 220,000 PSI. ARP2000 is used widely in motorsport applications as an upgrade from 8740 chrome moly in both steel and aluminium rods. Stress corrosion and hydrogen embrittlement are typically not a problem, providing care is taken during installation.
What is the recommended torque setting?
We would recommend 55lb.ft with a drop of medium-grade thread lock compound.
Where do these fixings go?
We have two uses for this kit - to mount the inline A-Series flywheel (Midget/Sprite etc) to the crankshaft, and also fix the classic Mini crown wheel gear to the differential.
Is there a performance advantage for the A-Series engine?
The standard bolts may have been torqued up, or even over-torqued and stretched many times already, so refitting them is a big risk. The ARP bolts are also made from a higher grade of steel that's far less prone to stretching, making this a sensible upgrade for performance use.
What size socket should I use?
You will need a multi-point 9/16" AF socket.