Valve guide trimming, cutting for positive valve seal, & cutting deeper spring pocket 620HP 454 BBC

Part 16 - Valve Guide Honing and Measuring - 620 HP 454 Big Block Chevy Engine Build

Valve Guide Removal and Installation for our 620+ HP Street/Strip 454 Big Block Chevy

This 396 Big Block Chevy Sat For Years With Water In The Cylinders...

Part 21 - Cylinder Head Porting Terms and Tools - 620 HP 454 Big Block Chevy Engine Build

Part 18 - Cutting Intake Valve Seats on a VGS-20 - 620 HP 454 Big Block Chevy Engine Build

Do Your Own 3-Angle Valve Seats!

This Set Of Big Block Chevy Race Heads Needed A Lot Of Work! Liquid Nitrogen and Specialized Tools

1969 396 BBC Checking cylinder heads for good valve Seal

Part 19 - Cutting Exhaust Seats for Bigger 1.880" Valves - 620 HP 454 Big Block Chevy Engine Build

6 Bad Valve Seals Symptoms. How to Diagnose & Replacement Cost

Not Another Valve Job!

Repairing and Resurfacing of Dead CylinderHead | Engine Head Valve Seat Replacement | Complete Video

How to Build a Chevrolet 454 Big Block Part 1: Taking the Cylinder Heads Off!

Guide to Cutting Valve Guides for Narrow Valve Stem Seals

Nothing But Problems

Valve Stem Seal Replacement On Small Block Chevy. And Big Block Chevy.

How to remove Valve seats with welding without seat cutters?

Engine Build 620 HP 454 Big Block Chevy Part 3 Oval Port Head Core Selection Before Porting

80-year-old man brilliantly restores broken engine block to genuine one