Moroso Mechanical Advance Curve Spring Kit – For SBC BBC GM Chevy HEI Distributor, 72300

Tuning your Chevy's timing?

This Moroso spring kit is what you need to dial in the advance curve.

Fits small block and big block Chevy with HEI distributors.

Part number is 72300, straight from Moroso.

Brand new, in packaging, with warranty.

It's a mechanical advance kit—lets you adjust when the timing comes in.

Whether you're building a street cruiser or a race motor, these springs give you control.

Easy to swap, noticeable difference.

If your engine's feeling lazy or you want more snap, this kit helps.

Moroso knows their stuff.