NGK Iridium Spark Plug *Box of 4* (BCPR7EIX) - 5690 -12ORB - Fits GM Part #

- Fits GM Part # 13577429

Stock and Direct Replacement Downpipes

the Blox Racing engine block guard also provides maximum coolant passage to the head minimizing the risk of head gasket failure and cracked cylinder sleeves

Comes with Replacement Oil Cap O-ring

NGK Iridium Spark Plug *Box of 4* (BCPR7EIX) - 5690 -12ORB - Fits GM Part #**SOLD AS SET OF 4** NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium