ACDelco R45NS Spark Plug - SOLD EACH
type: Unknown Type
Vendor: CorvairFarmer
Description:
2. Verified Vehicle Fitment Chart
| Make | Model | Year Range | Engine (CID/L) |
|---|---|---|---|
| Chevrolet | Camaro (Base/L82/RS) | 1975–1981 | 305 ci (5.0 L) V8 |
| Chevrolet | Camaro Z28 | 1977–1982 | 350 ci (5.7 L) V8 |
| Chevrolet | Corvette (C3) | 1975–1981 | 350 ci (5.7 L) V8 |
| Chevrolet | C/K Pickup (C10/C20) | 1977–1981 | 305; 350 ci (5.0/5.7 L) V8 |
| Chevrolet | Caprice/Impala | 1977–1985 | 305; 350 ci V8 |
| Pontiac | Firebird (Base/Formula) | 1976–1981 | 301; 305 ci V8 |
| Pontiac | Trans Am | 1977–1981 | 350; 400 ci V8 |
| Buick | Century/Regal/Grand National | 1977–1981 | 231 ci V6; 301; 305 ci V8 |
| Oldsmobile | Cutlass/Ciera | 1977–1981 | 305; 350 ci V8 |
| GMC | Jimmy/Sierra Pickup | 1977–1981 | 305; 350 ci V8 |
Product Description
ACDelco Gold R45NS (GM 5613314) is the genuine original-equipment spark plug engineered for restoration-grade accuracy and dependable daily performance. It features a copper-core center for rapid heat transfer, a nickel-chrome center electrode tip for corrosion resistance, and a ribbed insulator nose to suppress flash-over. Each plug is preset to a 0.035″ gap and built with an integral resistor for stable, interference-free ignition in small-block V6 and V8 applications. Backed by a 12 month/12,000 mile limited warranty, R45NS delivers out-of-the-box reliability for classic GM engines.
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | ACDelco |
| ACDelco Part Number | R45NS |
| GM Part Number | 5613314 |
| Thread Size | 14 mm |
| Thread Reach | 19.05 mm (0.750″) |
| Seat Type | Gasket |
| Heat Range | 5 |
| Preset Gap | 0.035″ (0.89 mm) |
| Core Material | Copper |
| Center Electrode Tip | Nickel-chrome alloy |
| Resistor | Yes (~5 kΩ) |
| Insulator Nose | Ribbed |
| Hex Size | 21 mm (13/16″) |
| Terminal Type | Non-removable stud |
| Warranty |
12 mo/12,000 mi limited |