SOLD on Jun 15, 2026

Elite Dealer

1966 Chevrolet Impala SS

Michigan

$18,995

Vehicle Details

Make

Chevrolet

Model

Impala SS

Year

1966

Mileage

18,500 miles

VIN

AMS45975

Body Type

Coupe

Transmission

Automatic

Fuel Type

Gasoline

Engine

427

Description

1966 Chevrolet Impala SS – Possible Factory 427, Turbo 400 This 1966 Impala SS runs and drives but still needs additional work. A great project with strong indications it may be a factory 427 SS. Factory 427 Indicators VIN confirms SS model Equipped with the 7,000 rpm tach (5,500 redline) — used only on 390hp 427 cars Turbo 400 transmission present, also correct for 390hp 427 C60 A/C code on cowl tag — available on 390hp 427 cars 427 badging Engine (Fresh Build) Built under 50 miles: 427 tall-deck block +.060 Sealed Power hypereutectic pistons Brodix HV2016 aluminum intake 320cc/2.25” aluminum heads 850 Quick Fuel carb (ATM tuned) Long-tube headers Howard solid roller cam (269/275,.629/.629, 108 LSA) Strong-running, great-sounding engine Mechanical Work Nearly all-new brakes: master cylinder, shoes, wheel cylinders, drums, stainless rear line New fuel tank Transmission needs a vacuum port added to intake for proper operation Body & Interior Some bodywork completed; more needed for a perfect finish Seats good; carpet needed Fuse block could use cleanup/replacement Overall A true SS with a fresh high-end 427, Turbo 400, and strong evidence of being a real factory 427 car.

Runs and drives, needs finishing work. Clean title in seller’s name.

Chevrolet Impala SS Buyer's Guide

Full guide

Mike Sullivan

Muscle Cars

1961–1969

~2 min read

Updated Apr 2026

The Chevrolet Impala SS brought Super Sport performance to the full-size car — combining the appeal of a premium Chevrolet with available 409ci, 427ci, and 454ci engines that made the big car go like few others in the muscle car era.

This guide covers

✓ 8-point inspection checklist

✓ Common issues & what to avoid

✓ In-person inspection guide

✓ Market pricing by year & condition

✓ 4 FAQs answered

✓ History & fun facts

Read the Full Impala SS Buyer's Guide

Chevrolet Impala Market Overview

Based on 167 Chevrolet Impala listings currently on ClassicCarsArena.com

167

Listed Now

$45,739

Avg. Asking Price

1958–1996

Year Range

Price Position on Our Site — Below Average

This car: $18,995

Low: $2,995 High: $169,995

Transmission Distribution

Automatic 61% ◄

Manual 23%

Condition Distribution

Excellent 14%

Good 12%

Fair 4%

Poor 1%

Data from ClassicCarsArena.com listings Browse all 167 listings →

Chevrolet Impala SS Buyer's Guide

Mike Sullivan here, and the Impala SS occupies a unique space in the performance car world. Most muscle cars are mid-size or pony cars — the Impala SS was the full-size alternative for buyers who needed room for a family but didn't want to give up performance. It's a different kind of muscle car, and it produced some genuinely great machines.

The Impala SS name covered the 1961–1969 model years, and each period has its character. The early cars with the legendary 409ci engine are culturally immortal — the Beach Boys made sure of that. The mid-decade cars with the 396 and 427 are capable performers. The 1969 cars are the most refined and the last of the classic Impala SS era before the nameplate went into hibernation until the 1990s.

What to Check Before Buying

✓

Trim Tag SS Code — Verify the Super Sport option code on the trim tag — required to authenticate as a factory SS.

✓

409 Engine Numbers — On W-engine 409 cars, verify engine block casting numbers against documented 409 W-engine references.

✓

Cowl Rust — Inspect cowl area at windshield base — structural rust here is expensive to repair.

✓

Rear Quarter Panels — Probe lower rear quarters and trunk floor — these rust consistently on northern-state B-body cars.

✓

SS Interior — Verify bucket seats, center console, and specific SS gauges are correct for the year and original.

✓

Broadcast Sheet — Check under the carpet for the broadcast sheet — confirms factory build options.

✓

Rocker Panels (1968–1969) — Check lower rockers on late cars — water intrusion from the lower edge seal causes hidden rust.

✓

Muncie 4-Speed — Test all gears on 4-speed cars — synchronizer wear is common and expensive to rebuild correctly.

Common Issues

Misrepresented non-SS Impalas with added SS badging — trim tag verification is essential. Cowl area rust from windshield seal failure. Lower rear quarter and trunk floor rust. W-engine 409 availability for restoration parts — less common than the FE or big-block Chevy parts. Worn Muncie four-speed synchronizers on SS 4-speed cars. Incorrect or replaced bucket seats and center consoles on "restored" examples.

What to Look For

Verify the SS designation via the trim tag — the Super Sport code must be present to authenticate an SS. On 409-equipped cars, verify engine codes against the W-engine reference list. Check the cowl area, lower rear quarter panels, and trunk floor for rust — the full-size B-body platform rusts in these specific locations. On 1968–1969 cars, inspect the lower rocker area. Verify all SS-specific interior components (bucket seats, console, specific gauges) are present and correct for the year.

Price Guide

1961–1964 SS 409 (documented): $35,000–$75,000. 1961 bubble-top SS with 409: $50,000–$100,000+. 1965–1967 SS 396: $22,000–$45,000. 1967–1969 SS 427 (documented): $40,000–$85,000. 1967–1969 SS 427 L72 (425hp, documented): $60,000–$120,000. Base Impalas misrepresented as SS: avoid without documentation.

Did You Know?

The Beach Boys' 1962 hit "409" was written after Brian Wilson's friend Dave Marks bought a 1962 Chevrolet with the 409ci engine. The song was recorded quickly to cash in on the hot rod craze and reached #1 on the Billboard charts, making the Impala SS the only car to have a Number One hit written specifically about its engine. The 1961 Impala "bubble top" (named for its low, curved rear roofline) is widely considered one of the most elegant full-size American car designs ever produced.