Ø 45 mm
- 240: B17 B19 B21 B23 1975-84
-360: B19 -84
- 240: B19 B20 B21 1975-78
- 740: B19 B23 1983-84
Core plugs used on both the intake and exhaust side of engines
CORE PLUG (FREEZE PLUG) B18/B20 45mm FITS SIDE OF ENGINE BLOCK & BACK OF CYLINDER HEAD. SEVEN PER ENGINE.
OEM 418718 , 463904