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ADV Rebuilt 4.8 & 5.3 OHV Cylinder Head Pair V8 Casting # 706 Silverado Suburban Yukon 1999-2007 (CORE RETURN REQUIRED)

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$549.99

$ 99 .00 $99.00

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  • Complete disassembly and thorough cleaning via hot tank & ultrasonic cleaner
  • Pressure tested to confirm casting is not cracked
  • New Valve Stem Seals & Valve Guides are installed
  • 3-angle grind Valve Job & vacuum tested to ensure perfect compression
  • PCD milled to ensure a super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads)
  • All parts are cleaned and inspected before final assembly to meet AERA specifications


Fitment: Years, makes and models
4.8 "LR4" V8
1999 - 2003 Silverado / Sierra
2003 - 2004 Express / Savana
2000 - 2003 Tahoe / Yukon
5.3 "LM7" V8
1999 - 2007 Silverado / Sierra
2003 - 2007 Express / Savana
2000 - 2006 Tahoe / Yukon / Suburban / Yukon XL / Avalanche
2002 - 2005 Escalade (2WD)
5.3 "L59" (FFV) V8
2002 - 2006 Tahoe / Yukon / Suburban / Yukon XL 1500
2002 - 2007 Avalanche
2002 - 2007 Silverado / Sierra 1500
5.3 "LM4" V8
2003 - 2005 Trailblazer EXT
2003 - 2004 SSR / Envoy XL / Ascender
2004 Rainier
NOTE: This listing is for the 706 casting numbered head only