BP BR 1 13™
• LS Cathedral Port Compatible
• 13.5° Valve Angle
• Newly Designed 245 cc Intake Port Flows Over 370 cfm!
• Newly Designed Exhaust Port Flows Over 235 cfm!
• 2.100 / 1.600 Valve Sizes
• 100% CNC Ported
• A-356 Virgin Aluminum Alloy
• Made in the USA
BP 18 SP C 269™
• 5° Intake Flange
• 18° Standard or Spread Port Exhaust
• Flows Over 380 cfm CNC Ported
• 58/107 Valve Spacing
• Available CNC Ported
• A-356 Virgin Aluminum; Easily Repaired
BB-3 XTRA 327™
• CNC Ported Chamber
• Flows Over 400 cfm
• “As Cast” 327 cc Rectangular
Intake Ports
• 2.300 / 1.880 Valve Sizes
• 24° Valve Angle
• Uses All Standard Rockers
• 119 cc Combustion Chamber