ARP Fastener Assembly Lube Ultra-Torque 50 ml

ARP Number: 100-9909

The ARP Ultra-Torque® Assembly Lubricant is a premium-grade, extreme-pressure fastener assembly lubricant, specially formulated to deliver consistent and reliable preload on high-performance engine fasteners. The 50ml squeeze tube provides a convenient, professional-grade supply for engine build and rebuild applications.

Key Features

• Significantly reduces the effects of frictional variation when torquing fasteners—known as “preload scatter.” With Ultra-Torque, one torque pass delivers within ~5% of ideal preload, eliminating the need to cycle fasteners before final assembly.

• Stabilises and maintains tension/preload across groups of fasteners (for example, across cylinder head studs or main bearing caps), ensuring consistent clamping loads and avoiding distortion issues.

• Metal-free formula (no solid metal particulates) to maintain cleanliness and long-term reliability.

• Suitable for high temperatures and challenging environments.

Typical application: Fastener assembly lubricant for high-performance engine and race engine builds (head bolts, main bolts, rod bolts, studs)

Packaging: Individual tube, ready for engine build use

Compatibility: Suitable for use with steel, stainless, aluminium and alloy fasteners in automotive, marine, racing and custom applications

Why ARP Assembly Lube?

ARP is a trusted name in engine building and high-performance parts, known for quality and consistency. With the 100-9909 Assembly Lube, you get dependable sealing performance that engine builders and enthusiasts rely on in their own work.