Comp Cams Big Mutha Thumpr Hydraulic Camshaft Kit For SBC 305 350 400 – K12-602-4

Want that nasty, choppy idle sound from your small block Chevy?

This is the cam kit that does it.

Comp Cams Big Mutha Thumpr hydraulic flat tappet cam, part number K12-602-4.

It's a kit, so it comes with the cam, lifters, timing chain set, valve springs, retainers, locks, and seals—pretty much everything you need to swap it in.

Fits 305, 350, and 400 small blocks.

It's all about that big, thumping idle that turns heads.

Performance grind, not for stock rebuilds.

If you're building a hot rod or just want your Chevy to sound mean, this is the ticket.

California Prop 65 warning applies, but hey, it's a camshaft.