Designed for 262-400 c.i.d. small-block Chevys with 1996 and later Vortec (L31) cast iron heads or Edelbrock E-Tec aluminum heads. This manifold has a balanced 180° firing order port runner arrangement. It is machined for 3-bolt or 4-bolt carburetors. Carb center-to-center of 5-1/2. Use with Performer-Plus camshaft and lifter kit #2103 for low-end torque or upgrade to a Rollin' Thunder cam and lifter kit #22085 for improved torque, increased top-end horsepower and reduced friction for increased economy.
Designed for 262-400 c.i.d. small-block Chevys with 1996 and later Vortec (L31) cast iron heads or Edelbrock E-Tec aluminum heads. This manifold has a balanced 180° firing order port runner arrangement. It is machined for 3-bolt or 4-bolt carburetors. Carb center-to-center of 5-1/2. Use with Performer-Plus camshaft and lifter kit #2103 for low-end torque or upgrade to a Rollin' Thunder cam and lifter kit #22085 for improved torque, increased top-end horsepower and reduced friction for increased economy.