NGK Cooper Core Spark Plug Box of 4 (R5673-8) XXLarge YA281----3 cut edges----positive rake for

YA281----3 cut edges----positive rake for rotor & drum10 bits per pack

Specific engine modifications are required to utilize the true potential of these camshafts including a built bottom-end (sleeved or closed deck reccomended)

The NX Maximizer EZ Progressive Nitrous Controller smoothly ramps in your nitrous system resulting in increased traction and less strain on your vehicles drivetrain

This cat-back exhaust system is constructed of 2-1/2" mandrel-bent 409 stainless steel tubing for maximum strength and durability

View the 21-784C vehicle applications to determine the legal status for each vehicle

NGK Cooper Core Spark Plug Box of 4 (R5673-8) XXLarge YA281----3 cut edges----positive rake forNGK Spark Plugs (U. S. A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small