1970–1971 Chevrolet Corvette 7.4L Spark Plugs

Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the 1970–1971 Chevrolet Corvette 7.4L.

ACDelco · Catalog-Listed
R44TS
MetalCopper
Gap—

Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

The ACDelco R44TS is a 14mm thread, gasket seat, heat range 4, copper electrode spark plug. These specifications are decoded from the ACDelco part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.

Spark plugs that fit the 1970–1971 Chevrolet Corvette 7.4L

PlugMetalGapBuy
ACDelco R44TS Copper— Buy

Frequently asked questions

What spark plug does a 1970–1971 Chevrolet Corvette 7.4L use?
A manufacturer catalog lists the ACDelco R44TS (Copper), gapped at the factory spec. Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

How many spark plugs does a 1970–1971 Chevrolet Corvette 7.4L need?
Check your owner's manual for the exact count for this engine.

What is the spark plug gap for a 1970–1971 Chevrolet Corvette 7.4L?
See the underhood emissions label — always confirm against the label or manual before installing.

Affiliate disclosure: As an Amazon Associate and affiliate partner we earn from qualifying purchases. Always confirm fitment against your owner's manual or the manufacturer catalog before buying.