PerTronix Advance Spring Kit for PTX Billet Distributors 2010042 Also available with Hedman's Black-Maxx

Also available with Hedman's Black-Maxx satin black ceramic-metallic finish

The spring holds the button captive so that it can't be dropped underneath the car or into some hard-to-get-at area of the chassis

Indexing positions the ground strap of the spark plug properly for best piston dome clearance and un-shrouds the electrode for a more even burn and possible gains of 5-15 horsepower

Ford Fullsize SUV 1980-96

6-Rib Goodyear Serpentine Belt X 37

PerTronix Advance Spring Kit for PTX Billet Distributors 2010042 Also available with Hedman's Black-MaxxPerTronix D700700 Advance Spring Kit Flame Thrower Billet Distributor. Features: Performance mechanical advance springs. Warranty: 30 months electronics limited 1 year mechanical.; . Pertronix manufactures a broad range of ignition components, including distributor caps and rotors, and related components. They are best known for their point to electric ignition conversion kits, which are available for wide range of domestic and import applications.