SR adapters reduce 18mm to 14mm thread for short reach (19mm) auto plugs (NGK BR8ES or BR8EIX). For engines using aircraft “M” plugs (example REM37E)
LR adapters reduce 18mm to 14mm thread for long reach (26.5mm) auto plugs (Denso IKH27). For engines using aircraft “B” plugs (example REB37E)
LRX – same as LR except the hex head is extended to better fit certain Continental (six cylinder) heads where the plug insertion face is recessed.
Copper gaskets are included with all adapters. When purchasing kits customers can request a spare (1) adapter for additional $5.00 (at time of purchase only).
Four Cylinder Kits
- EMA74001 SR Auto Adapters (SET of 4) – $110
- EMA73001 LR Auto Adapters (SET of 4) – $110
Six Cylinder Kits
- EMB60301 SR Auto Adapters (SET of 6) – $152
- EMB60401 LR Auto Adapters (SET of 6) – $152
- EMB60501 LRX Auto Adapters (SET of 6) – $152
Single Adapters
- EMC01101 SR Auto Adapter (single) – $31.50
- EMC01201 LR Auto Adapter (single) – $31.50
- EMC01301 LRX Auto Adapter (single) – $31.50
See manual for installation instructions.