COMP Cams Rocker Arms348/409 Chevy 1.7 1629-12 Mace MFG DD221928-BLK

DD221928-BLK

gaskets and hardware pack) (Stock- 61

TDI Executive

Base 1995 - 1999 GMC K2500 Suburban SLT 1994 - 2000 GMC K3500 Sierra SL

COMP Cams Rocker Arms348/409 Chevy 1.7 1629-12 Mace MFG DD221928-BLKCOMP Cams Rocker Arms 1629 12 The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 348 409 applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3 8" stud diameter and 1. 7 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the