BR 5.3™
• LS Compatible
• 13.5° Valve Angle
• Intake Port Flows 298 cfm
• Exhaust Port Flows Over 180 cfm
• 2.020 / 1.550 Valve Sizes
• Out-of-the-Box Horsepower
• Thick Deck for Nitrous/Blown Applications
• Toughest Castings in the Business
BR 5.3™
• LS Compatible
• 13.5° Valve Angle
• Intake Port Flows 298 cfm
• Exhaust Port Flows Over 180 cfm
• 2.020 / 1.550 Valve Sizes
• Out-of-the-Box Horsepower
• Thick Deck for Nitrous/Blown Applications
• Toughest Castings in the Business