NOS GM R42XLS Spark Plugs Camaro (1967–1992) V8 Corvette (1980–1992) 5.7 L V8 -
Description:
GM R42XLS Spark Plugs SOLD EACH
Specific Fitment
-
Fits GM gasoline engines requiring a 14 mm thread, 19.05 mm reach and 0.035″ gap.
-
Common applications:
-
Chevy Camaro (1967–1992) V8
-
Chevrolet Corvette (1980–1992) 5.7 L V8
-
Chevy C/K Trucks (1981–1991) 5.7 L V8
-
Buick, Oldsmobile, Pontiac V8 engines of the ’70s–’90s
-
-
Ideal for restorations seeking OE-correct spark performance.
Product Description
ACDelco R42XLS is the genuine GM original-equipment conventional spark plug, engineered for reliability and factory-correct performance. Each plug features a copper core for superior heat transfer, nickel-chrome tip for corrosion resistance, and a ribbed insulator nose to suppress flash-over. Preset to a precise 0.035″ gap, these plugs deliver consistent firing in V8 and high-compression engines. Backed by a 12 month/12,000 mile limited warranty, they’re perfect for restoration-grade projects and daily drivers alike.
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | ACDelco |
| Part Number | R42XLS |
| UPC | 36666238068 |
| Thread Size | 14 mm |
| Gasket Seat | Yes |
| Thread Reach | 19.05 mm (0.750″) |
| Heat Range | 2 |
| Preset Gap | 0.035″ (0.89 mm) |
| Core Material | Copper |
| Center Electrode Tip | Nickel Alloy |
| Approx. Resistor Value | 2,000 – 20,000 Ω |
| Insulator Height | 56.49 mm (2.224″) |
| Electrical Terminal Type | Non-Removable Nut |
| Warranty | 12 Month/12,000 Mile Limited |
4. Why Choose R42XLS?
-
OE-certified by GM for original fit, form and function
-
Copper core for rapid heat transfer and extended service life
-
Ribbed insulator nose and nickel-chrome sheathing to prevent misfire and corrosion
-
Preset gap ensures out-of-box installation with no guesswork
-
1. Cross-Reference Numbers
Brand Part Number Accel 0494 Accel 114 ACDelco 41801 Autolite 3203 Bosch W5DC Champion 2415 Denso W16EPR-U Brisk LR15TC Beru UXT6 Beck Arnley 176-5082 NOTE - PROBABLY HAVE NOS ALSO
MADE IN THE USA - STOCK PHOTO
LOCATION: CARD CATALOGUE
-
WE SHIP WORLDWIDE - INQUIRE IF NEEDED
NOTE: DON’T SEE WHAT YOU ARE LOOKING FOR – SEND US A NOTE
THANK YOU FOR SUPPORTING OUR SITE. HAVE A WONDERFUL DAY!
-
