ARP BMW 4.0L S65 V8 Custom Age 625 Plus Rod Bolt Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the BMW 4.0L S65 V8 Custom Age 625 Plus Rod Bolt Kit. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.

Key Features

• Custom Age 625+ Material: Proprietary alloy with 280,000 psi tensile and 235,000 psi yield strength withstands boosted pressures over 40 psi and 9,000+ RPM.
• Complete Kit: Includes 16 rod bolts 16 12-point nuts and washers tailored for BMW S65 connecting rods with no modifications needed.
• Precision Fit: Direct replacement for OEM bolts with exact dimensions for E90 E92 E93 M3 rods ensuring proper clamp load.
• Rolled Threads: Post-heat-treat rolling increases fatigue strength by 40 percent over cut threads for longer life in competition engines.
• Custom Age 625+ offers 280,000 psi tensile strength versus 200,000 psi for ARP2000 with superior fatigue resistance for extreme boost and RPM.
• Compatible with stock and aftermarket S65 rods. resize rod for ARP bolts if upgrading from OEM.

Fitment

Specifications

What’s Included

One new ARP rod bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.

About ARP

Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.

Important Disclosures

• California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.

Related Parts

• Shop all ARP products
• ARP 02-06 Mini Cooper S Rod Bolt Kit
• ARP 03-06 Evo 8/9 4G63 8mm Rod Bolt Kit
• ARP 3/8 inch x 1.6 ARP2000 Rod Bolt Kit

Frequently Asked Questions

How do I confirm the BMW 4.0L S65 V8 Custom Age 625 Plus Rod Bolt Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.

Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP’s current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.

What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.

Installation Instructions

1. Confirm ARP part number 201-6001, the complete application, and every required supporting component before beginning work.
2. Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
3. Follow ARP’s current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
4. Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.