NGK Racing Spark Plug - 14 mm Thread 0.847" Reach Gasket Seat - Stock Number 4482 24-CHL-N-9 and digital RPM display

and digital RPM display

These BBK Mass Air flow sensors offer huge air flow increases over stock and can add up to an additional 15 rear wheel horsepower depending on modifications

86 and newer blocks

The Rear Arm attachment does the same and it's all included with the tool

NGK Racing Spark Plug - 14 mm Thread 0.847" Reach Gasket Seat - Stock Number 4482 24-CHL-N-9 and digital RPM displayProduct Description: Spark Plug NGK Racing 14 mm Thread 0. 847 in Reach Gasket Seat Stock Number 4482 Resistor Sold Individually With over 80 years of automotive expertise, we are driven by extreme dedication to performance and quality. From OEM to aftermarket, our people push the boundaries of innovation to bring the latest technologies to market under the NGK and NTK brands. Since 1936, NGK Spark Plugs has been the world leader in technology,