Blue Streak 10029 Spark Plug Wire Set

Brand Blue Streak 10029
Outside Diameter 11
Core Material Mag core
Cylinders 4
Performance Race Wire Performance race wire
Spark Plug Wire Lead 2 16"
Spark Plug Wire Lead 3 19.5"
Spark Plug Wire Lead 4 22"
Total Number of Leads 4
Wire Diameter (mm) 8.5mm
Wire Set Import / Domestic High performance
Fits Ford, Mazda, and Mercury · 21 vehicles

Mag core. Delivers strong spark energy with a performance race wire design.

8.5 mm wire diameter. Thick insulation helps resist heat and electrical interference.

Spark plug wire set. A complete ignition wire set for four-cylinder applications.

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Blue Streak 10029 Spark Plug Wire Set

Blue Streak 10029 is a high-performance spark plug wire set built for 4-cylinder ignition systems. It uses 8.5mm wire diameter with Mag Core construction to support consistent spark delivery in demanding street and performance applications.

Key Features

  • Blue Streak Part Number 10029
  • 8.5mm high-performance spark plug wire construction
  • Mag Core material for ignition signal transfer
  • Outside diameter: 11
  • Designed for 4-cylinder applications
  • Performance race wire designation
  • Lead lengths include 16", 19.5", and 22"
  • Compatible with Ford Escape, Ford Focus, Mazda Tribute, Mercury Cougar, Ford Contour, and Mercury Mystique applications listed below

Detailed Description

This Blue Streak spark plug wire set is engineered for vehicles that need reliable ignition routing and stable spark delivery. The 8.5mm wire diameter and Mag Core design support consistent electrical transfer, while the performance race wire construction is suited to higher-demand ignition environments. Blue Streak 10029 is listed for 2004-2001 Ford Escape, 2004-2001 Ford Focus, 2004-2001 Mazda Tribute, 2002-2000 Mercury Cougar, 2000 Ford Contour, 2000 Ford Focus, 2000 Mercury Mystique, 1999 Ford Contour from 5/3/99, 1999 Mercury Cougar from 5/3/99, and 1999 Mercury Mystique from 5/3/99. This part number, 10029, is a direct fit reference for those applications.

What It Helps Address

  • Misfires caused by worn or damaged plug wires
  • Weak or inconsistent spark delivery
  • Ignition voltage loss across aging wire insulation
  • Rough running related to deteriorated wire routing
  • Performance issues in 4-cylinder ignition systems

Installation Notes and Tips

Verify cylinder count and application before installation. Match each lead length to the correct cylinder location and route wires away from hot exhaust components and sharp edges. Confirm the vehicle build date on 1999 Ford Contour, Mercury Cougar, and Mercury Mystique applications noted as from 5/3/99. For 2001-2004 Ford Focus, the listing specifies 8.5mm high performance wire. Blue Streak 10029 should be installed with attention to proper terminal seating and secure wire routing.

Quality Assurance

Blue Streak ignition components are cataloged for application-specific fitment and performance-focused use. Part number 10029 is listed with defined wire diameter, core material, lead lengths, and vehicle coverage to support accurate selection for the correct engine application.

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004FordEscape2.0LL4N/A—
2004FordFocus2.0LL4N/A8.5mm High Performance Wire
2004MazdaTribute2.0LL4N/A—
2003FordEscape2.0LL4N/A—
2003FordFocus2.0LL4N/A8.5mm High Performance Wire
2003MazdaTribute2.0LL4N/A—
2002FordEscape2.0LL4N/A—
2002FordFocus2.0LL4N/A8.5mm High Performance Wire
2002MazdaTribute2.0LL4N/A—
2002MercuryCougar2.0LL4N/A—
2001FordEscape2.0LL4N/A—
2001FordFocus2.0LL4N/A8.5mm High Performance Wire
2001MazdaTribute2.0LL4N/A—
2001MercuryCougar2.0LL4N/A—
2000FordContour2.0LL4N/A—
2000FordFocus2.0LL4N/A—
2000MercuryCougar2.0LL4N/A—
2000MercuryMystique2.0LL4N/A—
1999FordContour2.0LL4N/AFrom 5/3/99
1999MercuryCougar2.0LL4N/AFrom 5/3/99
1999MercuryMystique2.0LL4N/AFrom 5/3/99