ARP M8 X 1.25 X 30 12pt Black Oxide Bolts ARP ARP671-1003
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ARP M8 X 1.25 X 30 12pt Black Oxide Bolts

ARP
ARP671-1003
672036031145
Hardware Kits - Other
6 Units In Stock - Ships Next Business Day
$ 14.30
$ 14.30

SKU: 671-1003 | UPC: 672036031145

ARP M8 X 1.25 X 30 12pt Black Oxide Bolts for 1992-2000 Honda Civic 1986-2001 Acura Integra 1990-1999 Mitsubishi Eclipse

ARP M8 x 1.25 x 30mm 12-point black oxide bolts deliver reliable fastening for engine hardware in performance Honda Civic Acura Integra and Mitsubishi Eclipse models. This pack of 10 fits intake manifold and throttle body locations on B-series D-series and DSM 4G63 engines. High tensile strength ensures secure clamping under boost and high RPM conditions.

Key Features

  • Thread Specs: M8 x 1.25 pitch provides exact match for OEM and aftermarket intake ports
  • Length: 30mm shank suits shallow mounting depths in cylinder heads and manifolds
  • 12-Point Head: Allows 50 percent more contact area for precise torquing up to 40 ft-lbs without cam-out
  • Black Oxide Finish: Shields against rust and fuel corrosion in engine bays
  • Tensile Strength: 170000 PSI rating withstands extreme vibration and heat cycles

Product Notes

  • Torque bolts in cross pattern starting at 20 ft-lbs then to final spec
  • Apply ARP Ultra-Torque lubricant to threads for consistent clamping load
  • Pack of 10 fits most single manifold applications with spares

Installation Notes

  • Professional installation recommended.
  • Chase threads in head with M8 tap before assembly
  • Requires 12mm 12-point socket and torque wrench

This Part Fits

Year Make Model Submodel
1992-2000 Honda Civic DX EX HX LX Si D16 B16
1986-2001 Acura Integra LS GS RS Type R B18
1993-1997 Honda Del Sol S Si VTEC B16
1990-1999 Mitsubishi Eclipse GS GST GSX 4G63
1990-1994 Eagle Talon Tsi AWD FWD 4G63
1990-1994 Plymouth Laser RS Turbo 4G63

Why Choose ARP?

  • ARP sets industry standard for racing engine fasteners
  • Manufactured from proprietary high-strength steel alloy
  • Precision rolled threads resist fatigue in competition use

Frequently Asked Questions

  • Q: Will these bolts fit B16 or B18 intake manifolds?
    A: Yes they match 1992-2000 Honda Civic Si EM1 and 1986-2001 Acura Integra Type R intake bolt holes perfectly
  • Q: What is the material and strength rating?
    A: Forged from 8740 chrome moly steel heat treated to 170000 PSI tensile strength with black oxide coating
  • Q: What torque specs should I use?
    A: 35-40 ft-lbs dry or with ARP lube consult service manual for your engine variant

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Pack of 10 in sealed poly bag inside cardboard sleeve 4 x 3 x 1 inches
  • Weight: 0.40 lbs

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