Straight Header for Big Block GX390 Clone Engines with Mounting Hardware 12" Steering Wheel it's a masterclass in mechanical

it's a masterclass in mechanical advantage

Standard MCPBHBK516 kit for secure

Imagine slicing through corners with less drag and more precision— that's the edge provided by this RBI 1 1/4" Free Spin Axle Bearing

Q: How do I prevent signal interference when routing the cable

Sold as a pair

Straight Header for Big Block GX390 Clone Engines with Mounting Hardware 12" Steering Wheel it's a masterclass in mechanicalFor those harnessing the grunt of a GX390 Clone, the straight line efficiency of the RLV 5437 Header is indispensable, complete with hardware for immediate deployment. Straight design maximizes flow velocity, ideal for high displacement engines craving quick spool up. Replaces legacy H GX 390 M pipes with modern tolerances for better sealing. This header's no nonsense profile cuts through restrictions, channeling exhaust directly to mufflers like