PerTronix Flame-Thrower Stock Look Cast Distributors D7134630 PNX-D7134630. 5 out of 5 stars. Part Number: PNX-D7134630 Estimated Ship Date: Tomorrow, Buy PerTronix Cast D104600 Flame-Thrower Electronic Ignition Distributor with Ignitor Technology, Compatible with Chevrolet Small Block/Big Block, Vacuum Advance Black Cap: Distributors - Amazon.com FREE DELIVERY possible on eligible purchases, Buy PerTronix D100710 Flame-Thrower Electronic Ignition Billet Distributor with Ignitor II Technology, Compatible with Chevrolet Small Block/Big Block, Plug and Play, Vacuum Advance, Black Male Cap: Distributors - Amazon.com FREE DELIVERY possible on eligible purchases, The PerTronix (and I have installed more than I can ever count) does just like Bob says. It allows you to RETAIN an original point type dist and upgrade to electronics. If a PerTronix is installed and a high voltage coil such as MSD Blaster 2 or PerTronix new Flamethrower (40,000vt) is added, you can regap the plugs from .035 to .040-.045., One of the distributor I am looking at is the Pertronix Flamethrower and this is an excerpt from their site: We’ve taken all the things that you like about the Bosch 009 distributor, and the performance capabilities of the 010 and 050 distributor and designed them into our all new Flame-Thrower distributor., .