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Replacement of the 1-2-3-4 apply piston is an essential part of every 6L80/90 transmission rebuild. Stock cast aluminum apply pistons are a known weak point in these transmissions and can leave you stranded when they fail. Upgrade to our billet apply piston for reliability and peace of mind on your next build. Designed with more material and larger radii in high stress areas compared to stock CNC machined in the U.S.A. from 6061 Aluminum Bulk pricing available
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🇺🇸 Ship from USA · On Agora since 2026
$72.50