Holley 15" x 15" HydraMat - Cross DK1323531SFI Dual 3" Mandrel-Bent Tubes:

Dual 3" Mandrel-Bent Tubes:

65 in Rectangular Port

Valve stem diameter: 3/8"

Recommended re-oiling every 20-30k miles

1976-1977 Pontiac Grand Prix

Holley 15" x 15" HydraMat - Cross DK1323531SFI Dual 3" Mandrel-Bent Tubes:The amazing HydraMat is Holley's patent pending design that solves the problems associated with traditional fuel pick ups in stock fuel tanks as well as racing fuel cells. During hard cornering, acceleration, stopping, inclines, and low fuel conditions fuel runs away from the fuel pick up which introduces air into the system resulting in poor engine performance and even stalling. HydraMat is the solution! Surface tension and fluid wicking are the