HKS Gasket 85mm Universal EX (2pcs)

SKU: 34001-AK005 | UPC: 4957266920053

HKS Gasket 85mm Universal EX (2pcs)

HKS Gasket 85mm Universal EX (2pcs) seals 85mm exhaust flanges with precision for any performance setup. This multi-layer steel gasket fits universal applications including HKS exhaust manifolds downpipes and midpipes on imports. It prevents leaks to maintain exhaust flow and power delivery under extreme heat and pressure.

Key Features

• Multi-Layer Steel Build: Stainless steel layers crush to form airtight barriers resisting 1000C temperatures and boost pressure.
• 85mm Inner Diameter: Exact fit for 85mm OD pipes common in 3-inch turbo exhausts on Subaru WRX STI Nissan GT-R and Toyota Supra.
• Universal Compatibility: Bolts to standard oval or round exhaust flanges without modifications.
• Reusable Design: Maintains seal integrity over multiple heat cycles for reliable long-term use.
• 2-Piece Set: Covers dual connections like manifold to downpipe or downpipe to cat-back.

Product Notes

• Inspect flange surfaces for flatness before install to ensure full contact.
• Store in dry area to prevent corrosion on steel layers.
• Packaged flat to avoid bends during transit.

Installation Notes

• Professional installation recommended.
• Clean flanges with wire brush and degreaser then torque bolts evenly to 20-25 ft-lbs.
• Works with HKS V-band clamps and standard M8 M10 hardware.

This Part Fits

Year	Make	Model	Submodel
Universal	Subaru	WRX STI	All Turbo Models
Universal	Nissan	GT-R	R35
Universal	Toyota	Supra	MK4 MK5 2JZ 2UR
Universal	Honda	S2000	AP1 AP2
Universal	Mazda	Miata RX-8	All Turbo Exhaust
Universal	All	85mm Exhaust	Flange Fitment

Why Choose HKS?

• Motorsport-proven designs from Japanese racing teams.
• Manufactured to exact tolerances for zero leaks.
• Engineered for daily drivers and track abuse alike.

Frequently Asked Questions

• Q: Will this gasket fit my 3-inch HKS downpipe?
  A: Yes 85mm ID matches standard 3-inch 76.2mm OD pipes with 85mm flanges used in HKS turbo kits for WRX GT-R and Supra.
• Q: What material resists exhaust heat best?
  A: Multi-layer SUS stainless steel handles 1000C and 2 bar boost without degrading unlike single-layer composites.
• Q: How long does installation take?
  A: 15-30 minutes per gasket with basic tools. align flange apply anti-seize to bolts and torque in cross pattern.

Shipping & Handling

• Method: UPS Ground or USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: Flat envelope 6in x 4in x 0.25in
• Weight: 0.11 lbs