Part Number: 25534421
Description: Small-Port Vortec Bowtie
Casting Number: 25534351
Material: Iron
Port Size: 185
Port Type: Vortec
Valve Angle: 23
Chbr CC's: 66
Int Vlv: 2.000
Exh Vlv: 1.550
Exh Port: LT4
Plug Type: Straight
Heat Riser: No
Rocker Stud: Screw-in
Notes: Assembly