COMP Cams Stage 2 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks In-Cap Ignition Coils 5 on 4-3/4"

5 on 4-3/4"

Designed with

and lateral loads are applied to the chassis

Pinion centering jig fastens to the rear end housing and locates the pinion centerline when building or narrowing housings

1979-1993 GMC K3500

COMP Cams Stage 2 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks In-Cap Ignition Coils 5 on 4-3/4"Larger version of No Springs Required (NSR) Thumpr design for 5. 3 and 6. 0L truck applications. Ideal for more highly modified truck w headers, converter, gear, etc. Vehicle Applications: 2007 2007 Chevrolet Silverado 3500 Classic 2000 2014 GMC Yukon XL 1500 2003 2006 Chevrolet SSR 2004 2005 Workhorse FasTrack FT1601 2003 2006 Chevrolet Sonora 2007 2007 Chevrolet Silverado 2500 HD Classic 2005 2009 Saab 9 7x 2003 2006 Isuzu Ascender 2007 2007 GMC