BBK 1544 Twin 58mm Throttle Body - High Flow Power Plus Series For GM LT1 5.7L<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built</li><li>High Flow Power Plus Series Twin 58mm Throttle Body for More Modified Applications Increases Airflow to Improve Horsepower and Throttle Response Over Stock</li><li>Recommended For More Modified Applications that Have Exhaust and Intake Modifications</li><li>All New CNC Machined Casting Assembled with Components that Exceed OEM Standards， They Will Offer Years of Trouble Free Performance</li><li>Bolt on 8-12 HP Fits Most Lt1 GM Applications， Camaro， Firebird， Corvette， Impala</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41LmoXbx0bL.jpg" noproxy>