Engines

153 4-Cylinder

• 153 - 153CI/2.5L I4

Gen-1 90 Degree V6

• L35 - 262CI/4.3L V6
• LB1 - 262CI/4.3L V6
• LB4 - 262CI/4.3L V6
• LB4/ZR9 - 262CI/4.3L V6
• LF6 - 262CI/4.3L V6
• LG3 - 262CI/4.3L V6
• LU2 - 262CI/4.3L V6
• LU3 - 262CI/4.3L V6

Gen-1 Small Block V8

• 262 - 262CI/4.3L V8
• 265 - 265CI/4.3L V8
• 267 - 267CI/4.4L V8
• 283 - 283CI/4.6L V8
• 302 - 302CI/4.9L V8
• 307 - 307CI/5.0L V8
• 327 - 327CI/5.4L V8
• 400 - 400CI/6.6L V8
• L03 - 305CI/5.0L V8
• L05 - 350CI/5.7L V8
• L30 - 305CI/5.0L V8
• L31 - 350CI/5.7L V8
• L46 - 350CI/5.7L V8
• L48 - 350CI/5.7L V8
• L65 - 350CI/5.7L V8
• L69 - 305CI/5.0L V8
• L81 - 350CI/5.7L V8
• L82 - 350CI/5.7L V8
• L83 - 350CI/5.7L V8
• L98 - 350CI/5.7L V8
• LB9 - 305CI/5.0L V8
• LG3 - 305CI/5.0L V8
• LG4 - 305CI/5.0L V8
• LM1 - 350CI/5.7L V8
• LS9 - 350CI/5.7L V8
• LT-1 - 350CI/5.7L V8
• LT-9 - 350CI/5.7L V8
• LU5 - 305CI/5.0L V8
• ZQ3 - 350CI/5.7L V8

Gen-2 Small Block V8

• L99 - 263CI/4.3L V8
• LT1 - 350CI/5.7L V8
• LT4 - 350CI/5.7L V8

Gen-3 60 Degree V6

• LA1 - 204CI/3.4L V6

Gen-3 Inline 6

• 194 - 194CI/3.2L I6
• 230 - 230CI/3.8L I6
• 250 - 250CI/4.1L I6
• 292 - 292CI/4.8L I6
• L22 - 250CI/4.1L I6
• LD4 - 250CI/4.1L I6
• LE3 - 250CI/4.1L I6

Racing Engine

• RaceSaver 305 - 305CI/0.0L V8

Material

• AFM
• Copper
• Fiber
• HT
• KF
• MLS
• Uncoated MLS
• Viton

Compressed Thickness

• .027
• .030
• .031
• .032
• .036
• .040
• .043
• .045
• .051
• .053
• .056
• .060
• .064
• .066
• .070
• .075
• .080
• .092
• .094
• .098
• .120
• .139

# of bolts

• 10

Port Shape

• D
• D-Shape
• Oval

Inside Diameter

• .296

Bore Shape

• Round
• Valve Pocketed

Port Size

• 1.520 x 1.510
• 1.565 x 1.746
• 1.600 x 1.500

Outside Diameter

• .574

Bore Size (IN)

• 4.040
• 4.060
• 4.100

Bore Size (MM)

• 95

# of layers

• 3
• 5

Orientation

• None