ARP Flywheel Screws M9x1.00, under-head length 20.06 mm

The ARP M9x1.00 flywheel screw secures the flywheel to the crankshaft. With an under-head length of 20.06 mm, it is designed for assemblies requiring these fastener sizes.

Manufactured from 8740 chrome-molybdenum steel, it is made from a material suited to the repeated mechanical stresses of engine assemblies. Its 12-point head allows for tightening with a compatible socket. It features a black oxide finish.

Sold individually, this bolt allows you to purchase the exact quantity needed for the specific mounting. Two packs are also available for Renault and Peugeot Citroën applications, as detailed below.

Technical Specifications

• Brand: ARP
• PartNumber: ARP-P7AI-790-1
• Type: Flywheel screws
• Thread: M9x1.00, with a diameter of 9 mm and a pitch of 1.00 mm
• Under-head length: 20.06 mm
• Head type: external 12-point
• Material: 8740 chrome-molybdenum steel
• Finish: black oxide
• Packaging: sold individually

Packs available for Renault and Peugeot Citroën

To order the quantity that matches your engine directly, select the appropriate pack:

• Renault 7-bolt pack: part number PACK-VIS-FLYWHEEL-MOTOR-RENAULT, for F7P, F7R, F4R, and K4M engines.
• Peugeot Citroën 8-bolt pack: part number PACK-VIS-FLYWHEEL-MOTEUR-PEUGEOT, for XU5, XU9, XU10, and EW10 engines.

Each pack contains bolts with part number ARP-P7AI-790-1, featuring an M9x1.00 thread and an under-head length of 20.06 mm.

Mounting and Tightening

Check the thread size and required length for the assembly before installation, especially if the vehicle is equipped with a lightweight or modified flywheel. Clean and prepare the threads, then apply a strong threadlocker (such as red Loctite). Tighten to a torque of 55 Nm