This manifold is designed for racing or serious street applications using stock cast-iron or aftermarket Windsor style cylinder heads. Includes bosses that can be drilled and tapped for nitrous. It features a rear water crossover passage along with four corner tapped water ports. Ports are 1.90” x 1.08” at the gasket flange and the manifold contains enough material to open ports to 2.10” x 1.25”. Use Professional Products intake gasket #54600 or Fel-Pro intake gasket #1250 or #1262. This manifold includes a 1/8-NPT vacuum port under the carb flange a ...
This manifold is designed for racing or serious street applications using stock cast-iron or aftermarket Windsor style cylinder heads. Includes bosses that can be drilled and tapped for nitrous. It features a rear water crossover passage along with four corner tapped water ports. Ports are 1.90” x 1.08” at the gasket flange and the manifold contains enough material to open ports to 2.10” x 1.25”. Use Professional Products intake gasket #54600 or Fel-Pro intake gasket #1250 or #1262. This manifold includes a 1/8-NPT vacuum port under the carb flange, a ...
Edelbrock's Street Tunnel Ram is designed for 302-327-350-400 c.i.d. small-block Chevy V8s operating below 7500 rpm where low-end torque is not a prime factor. Great for engines with slightly modified or aftermarket cylinder heads. Applicable to street machines, street rods, pro street and marine. Optimum power range of 3500-7500 rpm. Will NOT work with 1987-up cast iron heads or HEI distributors. See Notes tab for important install notes. 325-7110 Instructions (PDF)
Edelbrock's Street Tunnel Ram 2-O is designed for use on 396-502 c.i.d. big-block Chevy V8s with large oval-port heads (1975 and earlier). Ideal for lightweight applications such as T-buckets or pro-street cars where low-end torque is not a prime factor. Especially suited to engines using slightly modified or aftermarket cylinder heads (9.5:1 or more compression is advised). Optimum power range is 3500-7500 rpm. Will NOT work with HEI distributors. See Notes tab for important install notes. 325-7115 Instructions (PDF)
Edelbrock's Street Tunnel Ram is designed for 302-327-350-400 c.i.d. small-block Chevy V8s operating below 7500 rpm where low-end torque is not a prime factor. Great for engines with slightly modified or aftermarket cylinder heads. Applicable to street machines street rods pro street and marine. Optimum power range of 3500-7500 rpm.Will NOT work with 1987-up cast iron heads or HEI distributors. See Notes tab for important install notes. 325-7110 Instructions (PDF)