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Instruments, Probes and Leads

123 products

EGT PROBES MODEL B SCREW-IN (7

$144.27
Retail Price: $180.34

EGT PROBE MODEL B SCREW-IN (7/

$141.53
Retail Price: $176.91

CHT PROBE BAYONET STYLE TYPE J

$129.22
Retail Price: $161.52

CHT PROBE BAYONET STYLE TYPE K

$126.76
Retail Price: $158.45

PROBE, Screw-in Bayonet Style, Type K

$157.52
Retail Price: $196.90
Expected ship date is 01-23-2026.

EGT PROBES MODEL A CLAMP TYPE K

$130.44
Retail Price: $163.06

CHT REFERENCE THERMOCOUPLE FOR

$149.94
Retail Price: $187.42

CHT GASKET, Type K, 18mm

$174.00
Retail Price: $217.50

CHT GASKET, Type K, 14mm

$121.85
Retail Price: $152.31
Expected ship date is 01-23-2026.

EGT PROBE MODEL A CLAMP (REVER

$144.91
Retail Price: $181.13

EGT PROBE MODEL A CLAMP TYPE K

$265.97
Retail Price: $332.47

UNGROUNDED EGT PROBES SCREW-IN

$685.54
Retail Price: $856.93

UNGROUNDED EGT PROBES SCREW-IN

$685.54
Retail Price: $856.93

UNGROUNDED EGT PROBES SCREW-IN

$685.54
Retail Price: $856.93

UNGROUNDED EGT PROBE CLAMP TYP

$685.54
Retail Price: $856.93

UNGROUNDED EGT/TIT CLAMP, Type K

$389.74
Retail Price: $487.18

EGT/TIT THERMOCOUPLE

$685.54
Retail Price: $856.93

CONTROL (Mixture, Vernier)

$222.82
Retail Price: $278.52

WIRE, Bulk Type K Thermocouple Extension (Inch)

$0.50
Retail Price: $0.62
Not Eligible for Free Shipping
Must Order in Quantities of 12
Expected ship date is 01-22-2026.<br>(Must be ordered in multiples of 12)

WIRE, BULK TYPE K (Inch)

$0.50
Retail Price: $0.63
Not Eligible for Free Shipping
Must Order in Quantities of 12
Expected ship date is 01-22-2026.<br>(Must be ordered in multiples of 12)

Don't waste your money on cheap instruments and probes. There is a big difference!

McFarlane is your lowest price and quickest source for Alcor products!
Increase engine life and enhance safety through proper monitoring

  • Faster responding probes than low dollar alternatives
  • Temperature compensated gauges for accuracy all year round at any altitude
  • Single gauges monitor one cylinder, dual gauges for twin engine aircraft monitor one cylinder per engine. Add a selector switch to make an economical full engine analyzer. Lighted gauges and custom dials also available!

Alcor: A name you can trust

  • Over 50 years experience - Designed, manufactured and supported in the USA
  • Generous warranty: 3 years for gauges, 5 years for grounded probes, 1 year for ungrounded probes
  • FAA-PMA/STC approved for all aircraft with reciprocating engines

Save with complete kits!

Simple Installation

  • No power required from the aircraft (lighted gauges require power)
  • Works even with an electrical failure
  • Great for homebuilt or antique aircraft with no electrical system
  • Gauges include all mounting hardware
  • Standard 2 1/4" or 3 1/8" gauge sizes

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