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1970 Chevrolet Chevelle SS 454 — LS5 Big Block, TH400, F-41 Suspension, 12-Bolt Rear Why This Car Is Special The 1970 Chevrolet Chevelle SS 454 is widely considered the high-water mark of the muscle car era. It was the first year Chevrolet offered the 454 cubic inch big block in the Chevelle, and it arrived in two states of tune — the LS6, rated at 450 horsepower, and the LS5, rated at 360 horsepower. The LS5 was no consolation prize. It was a hydraulic-lifter engine built for street durability with serious torque — 500 lb-ft at 3,200 rpm — and it was paired with the Turbo-Hydramatic 400 automatic transmission, one of the strongest units GM ever put behind a big block. That combination made the 1970 Chevelle SS 454 LS5 a practical, driveable car that could still run mid-13s in the quarter mile in stock trim. The VIN on this car decodes to a 1970 Chevrolet Chevelle Sport Coupe built at the Kansas City, Kansas assembly plant, with a 454 cubic inch V8 and automatic transmission. The model line position and body style confirm the hardtop coupe configuration — the cleanest body style of the second-generation Chevelle, with its long hood, short deck, and frameless side glass. The 1970 model year was also the last before federal emissions and insurance pressure began eroding factory horsepower ratings. Engineers hadn't yet been forced to detune. That's a significant part of why 1970 Chevelle SS 454 values have held so strong for decades — it represents a specific moment that cannot be replicated. This particular car is presented in red with a black vinyl top, black hood stripes, and a black interior. It carries correct SS badges, Rally Wheels with Firestone Wide Oval tires, and a suspension setup that goes well beyond what most SS cars left the factory with. Features List - 454 cubic inch LS5 V8 big block engine (sourced from a 1973 GM application) - Turbo-Hydramatic 400 (TH400) automatic transmission - Turbo-Jet 454 air cleaner - Dual exhaust - F-41 performance suspension - Tubular A-arms - Front and rear sway bars - Power front disc brakes - Power steering - GM 12-bolt rear axle with correct boxed control arms - Aluminum radiator - Sealed breather for cowl induction setup - SS 454 fender badges - SS door panel badges - SS steering wheel - Rally Wheels with Firestone Wide Oval radial tires - Black hood stripes - Black vinyl top - Chrome bumpers - Bucket seats - Center console - Factory tachometer - Custom audio system - Black vinyl interior - Clean undercarriage Mechanical The heart of this 1970 Chevelle SS 454 is a 454 cubic inch LS5 big block V8 sourced from a 1973 GM application. The 454 family carried through the early 1970s largely intact, and a correctly built LS5 replacement presents a reliable, torque-rich powerplant consistent with the original character of the car. It is topped with a period-correct Turbo-Jet 454 air cleaner — the kind of detail that matters to anyone who has spent time around these cars. Backing the engine is a Turbo-Hydramatic 400, GM's heavy-duty three-speed automatic that was originally designed to handle the torque output of big block engines and high-performance applications. The TH400 was used behind everything from Chevelle SS 454s to Corvettes to commercial trucks, and its reputation for durability is well established. The suspension work on this car deserves close attention. The F-41 suspension was a factory option on the 1970 Chevelle that upgraded spring rates, shock valving, and front and rear sway bars compared to the standard setup. This car carries that package and goes further — tubular A-arms replace the factory stamped steel units, improving geometry and reducing unsprung weight. Front and rear sway bars are both present, keeping body roll in check under hard cornering. Power front disc brakes provide modern stopping confidence, and power steering keeps the car manageable at low speeds without disconnecting road feel at highway pace. Out back, the GM 12-bolt
Body Style: Coupe
Condition: Used
Certified: 0

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