ATI Performance Products Damper - 7 - Al - Chevy Bb W/blower -1.600 Crank FR SPORT or does it need trimming

or does it need trimming

You're doing a direct swap

Hard panel construction - Built to withstand road debris

Will these headers fit my truck without modifying the engine bay

ATI Performance Products Damper - 7 - Al - Chevy Bb W/blower -1.600 Crank FR SPORT or does it need trimmingSuper Damper Harmonic Dampers The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18. 1 specs Black zinc chromate finished OEM equipment on ZZ572 GM Crate Engines Tunable, rebuildable, and extremely efficient at ALL RPM Laser engraved 360 timing marks Inner and outer shells are available in aluminum or steel, and contain a steel