Feature

●Compatible with Big Block Chevy BBC 396 427 454 496 502 7.4L V8 engines 1965-2000.
●High-grade aluminum, bronze valve guides, and advanced port design for greater airflow.
●Thick deck to resist warping and allow for additional milling if desired.
●Includes pre-drilled accessory bolt holes for a hassle-free installation process.
●Designed with a multi-angle seat for enhanced flow dynamics at lower valve lifts.


Description

cylinder headcylinder head

Features:

For 1965-2000 Big Block Chevy BBC 396 427 454 496 502 7.4L V8 engines.

Bare aluminum cylinder head.

Pre-drilled accessory bolt holes.

Multi-angle seat design for improved flow at low lifts.

Thick deck to resist warping and allow for additional milling if desired.

High-grade aluminum, bronze valve guides, and advanced port design for greater airflow.

Specifications:

Material Aluminum
Finish Natural
Spark plug style Angle
Combustion chamber volume 122cc
Intake runner volume 330cc
Exhaust runner volume 140cc
Intake valve diameter 2.250"
Exhaust valve diameter 1.880"
Valve stem diameter 0.3438"
Valve guide material Manganese bronze
Intake port shape Rectangle
Intake port location Standard
Exhaust port shape Square
Exhaust port location Standard
Valve seat machine style 3-Angle
Valve seat material Ductile iron

Product information