14mm Thread - .460 in Reach - Tapered Seat - 4 Pack T1 Hood Louver GM models TH 200

GM models TH 200

Easy bolt-on installation with OEM hardware

especially when used with volatile liquids like racing fuels like E85

PROFORM p/n 66228

The lowered stance and increased spring rate decreases body roll and gives you a lower center of gravity for increased driver control in aggressive cornering situations

14mm Thread - .460 in Reach - Tapered Seat - 4 Pack T1 Hood Louver GM models TH 200ACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3 16 in to 3 8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where