WEIAND HI-RAM INTAKE - CHEVY BIG BLOCK V8 #1981 8405M41 • Single cutting edge for

• Single cutting edge for fast removal of stock

Blades : L10

21° of mechanical advance

Hougen 34mm Long Reach Annular Cutter Pilot 8

WEIAND HI-RAM INTAKE - CHEVY BIG BLOCK V8 #1981 8405M41 • Single cutting edge forHI RAM SERIES: These tunnel ram manifolds are used primarily in drag racing, tractor truck pulls and performance marine applications where high RPM performance is required. The effective RPM range is between 2,800 to 8,000 RPM. The WEIAND Hi Ram, with it's patented D shaped port runners and large plenum chamber, provides optimum velocity of the air fuel mixture to the cylinder head intake ports. This manifold is designed to be used with performance