262-400 S/B Chev using 1996 and later GM vortec (L31) iron heads,
Low rise/dual plane design builds maximum torque for street performance engines,
Square bore carburettor flange, Exhaust crossover for improved street drivability (Standard small block Chevy heads),
Utilizes late model alternator and A/C bracket mounting provisions,
Has additional vacuum tap off of runner, No EGR provision,
Will clear HEI distributors,
Power band : idle to 5500RPM, Overall height – front 3.50″, Rear 4.50″, Port size: 1.84″ height, 1.12″ width.