Stromberg Insulator Holden HX to LH, Falcon XR-XA; 43.5mm throat 75mm stud centres 13mm thick [SBINS04] 

Phenolic heat insulator for carb to manifold

43.5mm [1.72” or 1 23/32”] throat dia. 75mm [2.95” or 2 61/64”] stud centres; 13mm [0.5”] thick

Supplied with 2 flange gaskets 

As used in:

Holden HX; HZ; 6 cyl. 1976-80
Carb Nos. 23-3091; 23-3092; 23-3103; 23-3107; 23-3115; 23-3102; 23-3114; 23-3109; 23-3110; 

Holden Chassis Cab 6 cyl. 1976-80 
Carb nos. 23-3106; 23-3105

Holden Commodore 6 cyl. VB 1978-80
Carb nos. 23-3117; 23-3118; 23-3119; 23-3120; 23-3121

Holden Torana LH; LX; UC; 6 cyl. 1975-79
Carb nos. 23-3089; 23-3090; 23-3091; 23-3092; 23-3101; 23-3103; 23-3107; 23-3115; 23-3102; 23-3114; 23-3109; 23-3110 

Ford Falcon XR; XT; XW; XY; XA; 1966-73
Carbs