Looking for aftermarket parts to modify or upgrade your 2012 Chevrolet Avalanche with engine components? At Tunersports.com we carry a huge selection of the top name brand performance engine component parts and accessories for your Avalanche.
Whether you have a 2012 Chevrolet Avalanche in LS to LTZ trim we have you covered. With engine components from bearings to valve springs, retainers we have 478 Avalanche engine component mods available. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW Cometic Gasket Head Gaskets C15514-051Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.070in Bore $99.40
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 $81.39
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IN STOCK - LOW Cometic Gasket Head Gaskets C5489-030Cometic GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 .030in. MLS Cylinder Head Gasket 4.100in. Bore $99.40
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 IN STOCK - LOW King Engine Bearings Rod Bearings CR807SI001King Chevy LS1 / LS6 / LS3 (Size STD) Silicone Bi-Metal Alum Rod Bearing Set $38.02
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IN STOCK Clevite Con Rod Bearing Set CB663HNCClevite GMC Pass. & Trk. 262/267/302/305/307/327/350/400 Connecting Rod Bearing Set - Tri Armor $36.52
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IN STOCK Clevite Main Bearing Set MS2199HXCClevite Chevrolet V8 293-325-346-364 1997-07 Main Bearing Set $207.24
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 IN STOCK Westin Running Board Mount Kits 27-1645Westin 2005-2013 Chevrolet/GMC Suburban/Tahoe/Yukon/Yukon XL Running Board Mount Kit - Black $133.52
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$55.32
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 IN STOCK - LOW Victor Reinz Timing Cover Gaskets JV5158MAHLE Original Buick Allure 08 Timing Cover Set $59.05
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IN STOCK Cometic Gasket Head Gaskets C5489-040Cometic GM LS1 SB 4.100in Bore .040in MLS-5 Head Gasket $99.40
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IN STOCK Clevite Main Bearing Set MS2199HXCClevite Chevrolet V8 293-325-346-364 1997-07 Main Bearing Set $207.24
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 IN STOCK Cometic Gasket Head Gaskets C5505-051Cometic GM LS Series V8 4.040in bore .051 inch MLX Headgasket $121.52
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 IN STOCK King Engine Bearings Performance Main Bearings MB5013XPKing Chevy LS1 / LS6 / LS3 (Size STD) Performance Main Bearing Set $141.92
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 IN STOCK Cometic Gasket Head Gaskets C5475-040Cometic GM LS1 SB 3.910 inch Bore .040 inch MLS Headgasket $99.40
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 IN STOCK King Engine Bearings Performance Rod Bearings CR807XPNKing Chevy LS1 / LS6 / LS3 (Size STD) Performance Rod Bearing Set $92.06
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 IN STOCK King Engine Bearings Cam Bearings CS5171HPTKing 06-13 GM LS .775in Wide Performance Coated Cam Bearing Set $137.56
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IN STOCK King Engine Bearings Performance Main Bearings MB5013XPSTDXKing Chevy LS1 / LS6 / LS3 (Size STDX) Performance Main Bearing Set $148.18
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 IN STOCK Cometic Gasket Head Gaskets C5751-040Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Headgasket $99.40
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IN STOCK King Engine Bearings Performance Main Bearings MB5013XP001King Chevy LS1 / LS6 / LS3 (Size 001) Performance Main Bearing Set $148.18
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