Iridium Tip Spark Plug; 4 Pack; Plug Type 1IR4Y; [Available While Supplies Last];
MSD iridium spark plugs will fire up your engine for optimum performance. These plugs have been engineered from the inside out for efficient combustion to create the most power possible for your setup. MSD's proprietary design features center tips made from iridium--a super hard material that promotes the best spark as well as increased resilience. They also feature copper center cores, special ceramic material to enhance the dielectric strength of the plug housing, and machine-ground straps enhanced with Yttrium to handle the heat of your high horsepower ignition. On the street, at the track, or up and over the trails, MSD iridium spark plugs will outperform and outlive the competition.
  • Proprietary Ceramic Formula
  • Unique Insulator Design
  • Yttrium Copper Core
  • Machined Electrode
  • 1mm Iridium Tip
  • Outlast Performance Plugs
  • Improves Comprehensive Drivability And Economy
  • Superior Design

Application Summary:

Year Make/Model
2005 Buick Allure
1987-1989 Buick Century
1993-2001 Buick Century
1994-2001 Buick LeSabre
1994-2001 Buick Park Avenue
1988-2001 Buick Regal
1995-1999 Buick Riviera
1987-1989 Buick Skyhawk
1994-1995 Buick Skylark
1987-1988 Cadillac Cimarron
1999-2000 Cadillac Escalade
1996-2005 Chevrolet Astro
1987-1996 Chevrolet Beretta
2005 Chevrolet Blazer
1988-1999 Chevrolet C1500
1996-1999 Chevrolet C1500 Suburban
1996-2000 Chevrolet C2500
1996-1999 Chevrolet C2500 Suburban
1996-2000 Chevrolet C3500
1995-2002 Chevrolet Camaro
1987-1993 Chevrolet Cavalier
1987-1990 Chevrolet Celebrity
1990-1996 Chevrolet Corsica
1996-2002 Chevrolet Express 1500
2006-2010 Chevrolet Express 1500
1996-2002 Chevrolet Express 2500
1996-2002 Chevrolet Express 3500
1995 Chevrolet G30
2002 Chevrolet Impala
2005-2008 Chevrolet Silverado 1500
2007 Chevrolet Silverado 1500 Classic
2013 Chevrolet Silverado 2500 HD
1996-2000 Chevrolet Tahoe
1997-2005 Chevrolet Venture
1996-1999 GMC C1500
1996-1999 GMC C1500 Suburban
1996-1999 GMC C2500 Suburban
1996-2000 GMC C3500
2005 GMC Jimmy
1996-1999 GMC K1500
1996-1999 GMC K1500 Suburban
1996-2000 GMC K2500
1996-1999 GMC K2500 Suburban
1996-2000 GMC K3500
1996-1999 GMC P3500
1996-2005 GMC Safari
1996-2002 GMC Savana 1500
2004-2013 GMC Savana 1500
1996-2002 GMC Savana 2500
2004-2005 GMC Savana 2500
1996-2002 GMC Savana 3500
2004-2009 GMC Sierra 1500
2007 GMC Sierra 1500 Classic
2004 GMC Sonoma
1996-2000 GMC Yukon
1994-1999 Oldsmobile 88
1994-1996 Oldsmobile 98
1994-1998 Oldsmobile Achieva
1999-2001 Oldsmobile Alero
1997-1999 Oldsmobile Cutlass
1987-1989 Oldsmobile Cutlass Ciera
1993-1996 Oldsmobile Cutlass Ciera
1987-1989 Oldsmobile Cutlass Cruiser
1988-1997 Oldsmobile Cutlass Supreme
1987-1988 Oldsmobile Firenza
1998-1999 Oldsmobile Intrigue
1996-1999 Oldsmobile LSS
1997-1998 Oldsmobile Regency
1987-1991 Pontiac 6000
2001-2002 Pontiac Aztek
1993-2002 Pontiac Bonneville
1995-2002 Pontiac Firebird

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.