• All Sierra carburetors include a base gasket
• Precision remanufactured to meet or exceed OEM specifications
• Re-calibrated and re-engineered to maximize fuel efficiency and performance
• All carburetors are flow tested throughout the entire throttle range
• Fuel mixture and idle settings are pre-set to ensure that only minor idle and choke adjustments are necessary during installation
• All bases are resurfaced and throttle shaft bushings replaced