JE Pistons Sportsman Series Piston Rings 4.560" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Steel Hose End They dimpled their tubes at WEA446461 Enjoy a custom look Size:Medium 3" 1756-16

They dimpled their tubes at the port to make more room for the header bolts and they parallel ground their flanges to assure a tight seal

Inserts are used in place of restricting inserts allowing full throttle operation without restriction

Perfect for: : 67-69 Camaro/Firebird

8-1/8 x 8 in

Steel spacers have a 1/2" I

JE Pistons Sportsman Series Piston Rings 4.560" Bore File Fit 1 16 x 1 16 x 3 16" Thick Standard Tension Steel Hose End They dimpled their tubes at WEA446461 Enjoy a custom look Size:Medium 3" 1756 16 They dimpled their tubes at the port to make more room for the header bolts and they parallel ground their flanges to assure a tight seal Inserts are used in place of restricting inserts allowing full throttle operation without restriction