The BBC jet boat headers are made to work well and last a long time. They have a double-walled water jacketed design that keeps temperatures low and power high. Plus, they make your jet boat run smoother and cooler, and they work great with big block Chevy marine engines. People who want to improve flow and dependability on the water should get these water-jacketed headers.
2-1/8" SUPER HUGE PRIMARIES
These are Similar to the stainless steel double wall CMI, Stellings etc
3/8" Laser Cut Flange
Fits Big Block Chevy
Will work on 496 Mag
Fully Polished
Up to 25% More Horsepower & Torque
