ARP M12 ID 1.55 OD .250 Thick Chamfer Black Washer (Single)

SKU: 200-8751

ARP M12 ID 1.55 OD .250 Thick Chamfer Black Washer for 2002-2015 Honda Acura K-Series

ARP M12 ID 1.55 OD .250 thick chamfer black washer secures rod bolts in Honda and Acura K-Series engines including Civic Si RSX TSX Element and CR-V. This single washer distributes load evenly to protect rods during high-horsepower operation. Engine builders rely on it for rebuilds and forced induction setups.

Key Features

• M12 Inner Diameter: Matches ARP M12 x 1.5 pitch rod bolts used in K-Series connecting rods for precise fit
• 1.55 Inch Outer Diameter: Covers wide bearing area to spread clamping force and reduce stress on aluminum rods
• 0.250 Inch Thickness: Maintains proper stack height under extreme cylinder pressures in boosted applications
• Chamfered Edges: Allows smooth bolt seating without damaging rod bolt heads or threads during assembly
• Black Oxide Finish: Shields against rust and chemicals in oil-lubricated engine compartments

Product Notes

• Sold as single unit – purchase multiples for full rod sets
• Inspect for wear during engine disassembly
• Lightweight design ships free with qualifying orders

Installation Notes

• Professional installation recommended.
• Apply ARP Ultra-Torque lubricant to washer and bolt threads
• Compatible only with ARP M12 x 1.5 hardware kits

This Part Fits

Year	Make	Model	Submodel
2002-2006	Acura	RSX	Type-S
2004-2008	Acura	TSX	Base
2002-2005	Honda	Civic Si	EP3
2006-2011	Honda	Civic Si	FG2 FA5
2003-2011	Honda	Element	All
2005-2009	Honda	CR-V	All

Why Choose ARP?

• ARP hardware powers wins in NHRA and Formula Drift
• High-tensile steel withstands 200000 PSI tensile strength
• CNC machined for zero tolerance in critical engine areas

Frequently Asked Questions

• Q: Which engines use this M12 washer?
  A: Fits Honda Acura K20 K24 engines with ARP rod bolt kits in Civic Si RSX TSX Element and CR-V models from 2002 to 2015
• Q: What material and finish does it have?
  A: Forged from ARP 8740 chrome moly steel with black oxide coating for durability and corrosion protection
• Q: What warranty applies?
  A: ARP provides limited lifetime warranty against manufacturing defects when installed and torqued correctly

Shipping & Handling

• Method: UPS Ground
• Availability: In stock – ships same or next business day
• Packaging: Protective poly bag 3 x 3 x 0.5 inches
• Weight: 0.01 lbs