PerTronix Flame Thrower Ignition Control Module GM HEI III 4 Pin 1973-89 H759C01XXL Patriot Exhaust H3845 Muffler Inserts the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Patriot Exhaust H3845 Muffler Inserts for Traditional Lakester Headers 2" Core 3 1/2" Cones

spark plug and electrical wires from direct or under hood radiant heat

Double Shell: Two different shells: one for small sizes (XS

does not need filling and maintenance

5 Thread Size) - Set of 4

PerTronix Flame Thrower Ignition Control Module GM HEI III 4 Pin 1973 89 H759C01XXL Patriot Exhaust H3845 Muffler Inserts the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Patriot Exhaust H3845 Muffler Inserts for Traditional Lakester Headers 2" Core 3 1 2" Cones spark plug and electrical wires from direct or under hood radiant heat