- Engine — 426 Hemi (top of range)
- 426 cu in / 7.0-litre OHV V8, dual 4-barrel Holley carburettors
- Engine — 440 Six Barrel
- 440 cu in / 7.2-litre OHV V8, three 2-barrel Holley carburettors
- Engine — 440 Super Commando
- 440 cu in / 7.2-litre OHV V8, single 4-barrel carburettor
- Power
- 375 bhp / 380 PS (440 4-bbl), 390 bhp / 395 PS (440 Six Barrel), 425 bhp / 431 PS (426 Hemi) — all SAE gross
- Torque
- 480 lb-ft / 651 Nm (440 4-bbl), 490 lb-ft / 664 Nm (440 Six Barrel and 426 Hemi)
- Transmission
- 727 TorqueFlite 3-speed automatic or A833 4-speed manual; rear-wheel drive; 8¾-inch or Dana 60 rear axle depending on drivetrain
- Layout
- Road Runner B-body two-door hardtop with factory-fitted extended fibreglass and steel nose cone, flush rear backlight, and tall aluminium-uprighted rear stabiliser wing
- Production
- ~1,935 built and shipped for the 1970 model year (reconciles to 135 Hemi + 716 Six Barrel + 1,084 440 4-barrel); 1,920 is the earlier Chrysler sales-planning figure; a further 34–47 cars shipped to Canada
- Assembly
- Chrysler, Lynch Road plant (Detroit); nose cones and rear-wing assemblies supplied by Creative Industries of Detroit
- Historical distinction
- 1970-only NASCAR aero homologation — the aero-body loophole was closed by NASCAR for 1971, ending the winged Mopar era after a single season