BB-3 XTRA 345™

• NEW CNC Ported Chamber!
• Flows Over 416 cfm
• 345 cc Intake Ports
• 2.300 / 1.880 Valve Sizes


STS BR 7 BS 273

• Accepts up to 1.650 Springs
• Flows Over 415 cfm
• 2.250 / 1.614 Valve Sizes
• 12° Valve Angle
• Uses Special Rockers


PB 9000™

• New Age Spread Port Design!
• All New 9° Valve Angle
• 2.550 / 1.820 Valve Sizes
• Fits Existing 4.840 Bore Spacing Blocks
• Available 100% CNC Ported


PB 5009™

• All New 9° Valve Angle
• Fits Existing 8B 5000™ Block
• All New Spread Port Design


BR 3™

• 100% LS Compatible
• Uses Standard LS3 Components
• 100% CNC Ported Version