10239 906

10239 906: SERVICE REPLACEMENT

HEAD MARKING

CHAMBER VIEW

64 cc

Part No.

MATERIAL

SPARK PLUG ANGLE

HEAT RISER

INTAKE RUNNER VOLUME

VALVE SIZE

CC

IN

EX

12529093

Cast Iron

Straight

No

170 cc

1.94

1.50

64

NOTE: L-31 Service. This is a Vortec Head which uses the LT1 design port.

See Service Replacement Info for more information on this Cylinder Head

Part No.	MATERIAL	SPARK PLUG ANGLE	HEAT RISER	INTAKE RUNNER VOLUME	VALVE SIZE		CC
					IN	EX
12529093	Cast Iron	Straight	No	170 cc	1.94	1.50	64
NOTE: L-31 Service. This is a Vortec Head which uses the LT1 design port.