Doug s Header Manuals / Instructions / Datasheets

PERTRONIX D381 Tube Full Length Doug’s Header Installation Guide

PERTRONIX D381 Tube Full Length Doug’s Header A PerTronix Performance Brand ~ www.pertronixbrands.com ~ 909 599-5955 Installation Instructions & Warranty Information D381 ~ 1965-82 Corvette 396-502 Big Block Side Tube Long Tube Headers NOTE: These headers require the purchase of the side pipes (#D930, D930-C, … Read more

PERTRONIX D523 Doug’s Header Instruction Manual

PERTRONIX D523 Doug’s Header A PerTronix Performance Brand ~ wwwpertronixbrand.com ~ 909 599-5955 Installation Instructions & Warranty Information D523 ~ 1970-81 Pontiac Firebird 326-455 NOTE: These headers will ONLY work with Ram Air II/IV, Super Duty, HO, and Edelbrock Performer RPM Heads. Some Pontiac Heads … Read more