Engines

Big Block V8

• 400 - 400CI/6.6L V8
• 421 - 421CI/6.9L V8
• 428 - 428CI/7.0L V8
• 455 - 455CI/7.5L V8

Gen-2 Rocket V8

• 260 - 260CI/4.3L V8
• 307 - 307CI/5.0L V8
• 330 - 330CI/5.4L V8
• 350 - 350CI/5.7L V8
• 400 - 400CI/6.6L V8
• 403 - 403CI/6.6L V8
• 425 - 425CI/7.0L V8
• 455 - 455CI/7.5L V8
• L34 - 350CI/5.7L V8
• LG8 - 307CI/5.0L V8
• LV2 - 307CI/5.0L V8

Small Block V8

• 265 - 265CI/4.3L V8
• 301 - 301CI/4.9L V8
• 303 - 303CI/5.0L V8
• 326 - 326CI/5.3L V8
• 350 - 350CI/5.7L V8
• 389 - 389CI/6.4L V8
• 400 - 400CI/6.4L V8
• 421 - 421CI/6.9L V8

Windsor Small Block V8

• 289 - 289CI/4.7L V8
• 302 - 302CI/5.0L V8
• 302FI - 302CI/5.0L V8
• 351W - 351CI/5.8L V8

Material

• AFM
• Armor
• Copper
• Fiber
• HTG
• HTS
• LF
• MLS
• Molded Rubber
• NBR Rubber

Compressed Thickness

• .020
• .027
• .030
• .031
• .032
• .036
• .040
• .042
• .043
• .045
• .051
• .056
• .060
• .062
• .064
• .066
• .070
• .075
• .080
• .081
• .084
• .086
• .089
• .092
• .094
• .095
• .098
• .120
• .125
• .140
• .188

# of bolts

• 10
• 12

Torque Limiters

• No
• Yes

Port Shape

• D
• D/Oval
• Oval, D-Port
• Oval/Rectangular
• Rectangle
• Rectangular
• Split Center

Bore Shape

• Round
• Valve Pocketed

Port Size

• 1.141 x 2.063
• 1.370 x 2.040
• 1.456 x 1.913, 1.448 x 1.913
• 1.500 x 1.930, 1.150 x 1.930
• 1.562" x 2.031" / 2.031" x 2.704"
• 1.913 x 1.456
• 1.920 x 1.550
• 1.930x1.500,1.930x1.150
• 1.940 x 1.500
• 2.000 x 1.550
• 2.025x1.600

Bore Size (IN)

• 4.080
• 4.125
• 4.160
• 4.200
• 4.270
• 4.300
• 4.380
• 4.400
• 4.410

# of layers

• 3
• 5

Orientation

• None