Gasket Kits

• Bottom End Gasket Kit
• Top End Gasket Kit

Engines

Duramax

• L5P - 404CI/6.6L V8
• LB7 - 404CI/6.6L V8
• LBZ - 404CI/6.6L V8
• LGH - 404CI/6.6L V8
• LLY - 404CI/6.6L V8
• LML - 404CI/6.6L V8
• LMM - 404CI/6.6L V8

Gen-5 Small Block V8

• L86 - 376CI/6.2L V8
• LT1 - 376CI/6.2L V8
• LT4 - 376CI/6.2L V8

Gen-7 Big Block V8

• Vortec 8100 (L18) - 496CI/8.1L V8

LS Gen-3 Small Block V8

• LS1 - 346CI/5.7L V8
• LS6 - 346CI/5.7L V8

LS Gen-4 Small Block V8

• L76 - 364CI/6.0L V8
• L77 - 364CI/6.0L V8
• L98 - 364CI/6.0L V8
• L99 - 376CI/6.2L V8
• LS2 - 364CI/6.0L V8
• LS3 - 376CI/6.2L V8
• LS4 - 325CI/5.3L V8
• LS7 - 428CI/7.0L V8
• LS9 - 376CI/6.2L V8
• LSA - 376CI/6.2L V8
• LSX - 0CI/0.0L V8

Vortec Gen-3 Small Block V8

• L33 - 325CI/5.3L V8
• L59 - 325CI/5.3L V8
• LM4 - 325CI/5.3L V8
• LM7 - 325CI/5.3L V8
• LQ4 - 364CI/6.0L V8
• LQ9 - 364CI/6.0L V8
• LR4 - 293CI/4.8L V8

Vortec Gen-4 Small Block V8

• L20 - 293CI/4.8L V8
• L76 - 364CI/6.0L V8
• L92 - 376CI/6.2L V8
• L94 - 376CI/62.0L V8
• L96 - 364CI/6.0L V8
• L9H - 376CI/6.2L V8
• LC9 - 325CI/5.3L V8
• LFA - 364CI/6.0L V8
• LH6 - 325CI/5.3L V8
• LH8 - 325CI/5.3L V8
• LH9 - 325CI/5.3L V8
• LMF - 325CI/5.3L V8
• LMG - 325CI/5.3L V8
• LY2 - 293CI/4.8L V8
• LY5 - 325CI/5.3L V8
• LY6 - 364CI/6.0L V8
• LZ1 - 364CI/6.0L V8
• Vortec 4800 - 293CI/4.8L V8
• Vortec 5300 - 325CI/5.3L V8
• Vortec 6000 - 364CI/6.0L V8
• Vortec 6200 - 376CI/6.2L V8

Material

• AFM
• Fiber
• Graphite
• HTS
• MLS
• MLX
• Rubber Coated Stainless

Head Gasket Material

• MLS
• MLX

Compressed Thickness

• .020
• .027
• .030
• .031
• .036
• .040
• .045
• .051
• .053
• .055
• .056
• .060
• .062
• .066
• .070
• .075
• .080
• .084
• .089
• .140

Head Gasket Thickness

• .040
• .045
• .053
• .062

Port Shape

• Rectangular
• Round

Bore Shape

• Round
• Valve Pocketed

Head Gasket Bore

• 4.100"
• 4.130"

Port Size

• 1.69 x 1.38
• 1.82
• 1.875

Bore Size (IN)

• 3.940
• 4.100
• 4.130
• 4.280
• 4.295
• 4.350
• 4.365
• 4.450

# of layers

• 3
• 5

Orientation

• Left
• None
• Right