Valve Spring UPGRADE Tips EVERYONE Needs To Know.
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A Very Little Info About Valvesprings
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We turn $200 junk LS7 heads into $5000 Ported Race Heads, Corvette 7.0 Engine Rehab Episode 3
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AGA N63TU Valve Stem Seal Tool
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Cut 50% weight from valve, spring & retainer.
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Lykins Motorsports Choosing Valve Springs...
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