Hedman Street Headers - 1.5 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1955-66 - Pair H759C01XL The MP is the model

The MP is the model that launched Max Papis Inc

Use a 13/64" drill bit for best results

The secondary windings are wound on a segmented bobbin which reduces the chance of voltage breakdown between the primary and secondary windings

These Pro Magnum hydraulic lifters are designed to perform at high RPM without any harmful pumping up

Hedman Street Headers - 1.5 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1955-66 - Pair H759C01XL The MP is the modelHedman Hedders Standard Uncoated Headers; 1 1 2" Tube Diameter; 3" Collector; Full Length Design Hedman Hedders Painted Hedders Exhaust Header 69260 Tube Size 1. 5 in. Collector Size 3 in. Highest Quality Materials Computerized Precision Hand Tested; Sturdy Leak Proof Welds Durable And Affordable Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and mid length tube headers for Chevy trucks