Gasket Kits

• Bottom End Gasket Kit
• Top End Gasket Kit

Engines

3800 Series II V6

• L36 - 231CI/3.8L V6

Atlas

• LL8 - 256CI/4.2L L6

Detroit Diesel V8

• L49 - 395CI/6.5L V8
• L56 - 395CI/6.5L V8
• L57 - 395CI/6.5L V8
• L65 - 395CI/6.5L V8

Duramax

• LB7 - 403CI/6.6L V8
• LBZ - 403CI/6.6L V8
• LLY - 403CI/6.6L V8
• LMM - 403CI/6.6L V8

Gen-1 90 Degree V6

• L35 - 262CI/4.3L V6
• LB1 - 262CI/4.3L V6
• LB4 - 262CI/4.3L V6
• LB4 - 262CI/4.3L V6
• LU2 - 262CI/4.3L V6

Gen-1 Small Block V8

• - - 267CI/4.4L V8
• - - 305CI/5.0L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8
• L69 - 305CI/5.0L V8
• L69 - 305CI/5.0L V8
• LB9 - 305CI/5.0L V8
• LE9 - 305CI/5.0L V8
• LF3 - 305CI/5.0L V8
• LG4 - 305CI/5.0L V8
• LU5 - 305CI/5.0L V8
• LU5 - 305CI/5.0L V8

Gen-2 122

• L43 - 134CI/2.2L L4
• LN2 - 134CI/2.2L L4
• LN2 - 134CI/2.2L L4

Gen-2 Rocket V8

• - - 307CI/5.0L V8
• - - 307CI/5.0L V8

Gen-2 Small Block V8

• - - 265CI/4.3L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8
• - - 350CI/5.7L V8

Gen-3 Inline 6

• - - 292CI/4.8L L6

Gen-3 Small Block V8

• - - 294CI/4.8L V8
• - - 346CI/5.7L V8
• - - 350CI/5.7L V8
• L33 - 325CI/5.3L V8
• L59 - 325CI/5.3L V8
• L59 - 325CI/5.3L V8
• LM4 - 325CI/5.3L V8
• LM7 - 325CI/5.3L V8
• LM7 - 325CI/5.3L V8
• LQ4 - 364CI/6.0L V8
• LQ4 - 364CI/6.0L V8
• LQ4 - 364CI/6.0L V8
• LQ4 - 364CI/6.0L V8
• LQ9 - 364CI/6.0L V8
• LS1 - 350CI/5.7L V8

Gen-4 Big Block V8

• - - 454CI/7.4L V8
• - - 454CI/7.4L V8

Gen-4 Small Block V8

• - - 294CI/4.8L V8
• - - 364CI/6.0L V8
• L20 - 294CI/4.8L V8
• L20 - 294CI/4.8L V8
• L76 - 364CI/6.0L V8
• L77 - 364CI/6.0L V8
• L92 - 376CI/6.2L V8
• L96 - 364CI/6.0L V8
• L96 - 364CI/6.0L V8
• L96 - 364CI/6.0L V8
• L96 - 364CI/6.0L V8
• L96 - 364CI/6.0L V8
• L96 - 364CI/6.0L V8
• L96 - 364CI/6.0L V8
• L99 - 376CI/6.2L V8
• LC8 - 364CI/6.0L V8
• LC8 - 364CI/6.0L V8
• LC8 - 364CI/6.0L V8
• LC8 - 364CI/6.0L V8
• LC8 - 364CI/6.0L V8
• LC9 - 325CI/5.3L 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
• LH9 - 325CI/5.3L V8
• LMF - 325CI/5.3L V8
• LMF - 325CI/5.3L V8
• LMG - 325CI/5.3L V8
• LS2 - 364CI/6.0L V8
• LS2 - 364CI/6.0L V8
• LS3 - 376CI/6.2L V8
• LS3 - 376CI/6.2L V8
• LS4 - 325CI/5.3L V8
• LS7 - 427CI/7.0L V8
• LS7 - 427CI/7.0L V8
• LS9 - 376CI/6.2L V8
• LS9 - 376CI/6.2L V8
• LSA - 376CI/6.2L V8
• LY5 - 325CI/5.3L V8
• LZ1 - 364CI/6.0L V8

Gen-5 Big Block V8

• L19 - 454CI/7.4L V8

Gen-5 Small Block V8

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

Gen-6 Big Block V8

• L29 - 454CI/7.4L V8

Gen-7 Big Block V8

• L18 - 496CI/8.1L V8

V6

• LC2 - 231CI/3.8L V6
• LM9 - 231CI/3.8L V6

V8

• - - 350CI/5.7L V8

Head Gasket Material

• MLS

Material

• AFM
• Copper
• DST
• Fiber
• HTS
• MLS
• MLX
• Rubber
• Uncoated MLS

Compressed Thickness

• .027
• .030
• .030"
• .031
• .032
• .034
• .036
• .040
• .044
• .045
• .049
• .050
• .051
• .052
• .053
• .054
• .056
• .060
• .062
• .063
• .066
• .070
• .071
• .073
• .075
• .080
• .084
• .086
• .089
• .092
• .095
• .098
• .120
• .124
• .130
• .140

Head Gasket Thickness

• 0.051

Port Shape

• Cathedral
• Round

Bore Shape

• Round

Head Gasket Bore

• 3.840"

Port Size

• 1.05" x 3.38"
• 1.82
• 1.875
• 1.960"

Bore Size (IN)

• 3.810
• 3.910
• 3.940
• 3.970
• 4.000
• 4.030
• 4.035
• 4.040
• 4.060
• 4.070
• 4.080
• 4.085
• 4.100
• 4.130
• 4.150
• 4.160
• 4.190
• 4.200

# of layers

• 1
• 3
• 4
• 5
• 7

Orientation

• None