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5L V8 1968 - 1969 GMC C25/C2500 Suburban 396/6
more ignition energy can reach the spark plug
3 V8 1969 - 1972 Chevrolet Biscayne 350/5
8 L4 1994 - 1998 Toyota T100 Base 2
13/8 V 1975 - 1978 GMC K15 Suburban 4
Weiand Hi-Ram Intake - Chevy Big Block V8 - 1985WND hydramat 5L V8 1968 - 1969Overview: HI 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. For maximum performance in a naturally
