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GMC PM252

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PM252

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Fitment

GMC PM252

Category

Ignition, Charging and Starting

Subcategory

Timing Components

Brand

PerTronix

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Disassembling Valvetrain Components

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Camshaft Timing Tips

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What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

Piston Ring Install Guide: Clocking and Gap Orientation

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How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

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