How much HP does a 502 big block have?
Matthew Barrera
Updated on April 04, 2026
Big-Block performance With 461 horsepower and 558 lb. -ft. of torque, our 502 HO crate engine has power on tap for every need — from a ’69 Chevelle to a newer Suburban.
What is the horsepower of a 502?
571 hp
On Westech Performance Group’s Superflow dyno, the 502 maxed out with 534 hp at 5,500 rpm and 569.6 lb-ft torque at 4,100 rpm….Big Cubes Equal Big-Time Power.
| 502-CID STOCK | ||
|---|---|---|
| CRATE MOTOR | ||
| 5,000 | 550.5 | 566.9 |
| 5,500 | 571.8 | 546.1 |
| Max Power = 571 hp @ 5,500 rpm |
What makes a Chevy 502?
The Chevrolet-produced 502 is a big block V8 with 502 horsepower and 565 ft-lbs of torque. Originally designed for racing Corvettes in the early 1960s, the engine was eventually produced for consumers in 1996. The 502 engine is sometimes called the Ram Jet 502, referring to the Ram Jet fuel injection.
What is the bore and stroke of a 502 big block Chevy?
The 502—with a 501.28 cu in (8.2 L) total displacement—had a bore and stroke of 4.466 in × 4 in (113.4 mm × 101.6 mm) and a cast iron 4-bolt main block.
How much does a Chevy 502 weigh?
Weight: 712.0 lbs.
How much does a 502 big-block cost?
SALE PRICE: $13,071 Chevrolet Performance’s ZZ502/502 is one of the industry’s benchmark crate engines, offering excellent value with a proven combination of performance that is suitable for the street or strip.
What is the part number for a Chevy 502 big block engine?
ZZ502-502 Base Tech Specs Part Number: 19331576 Engine Type: Chevy Big-Block V-8 Displacement (cu. in.): 502
How much horsepower does a 502 Ho crate engine have?
Click for more details. PROPOSITION 65 WARNING. Click for more details. With 461 horsepower and 558 lb.-ft. of torque, our 502 HO crate engine has power on tap for every need — from a ’69 Chevelle to a newer Suburban. What will you do with 461 horsepower and 558 lb.-ft. of torque from the value-driven 502 HO crate engine?
How much power can a big block crate engine really produce?
On a daily basis, we find advertisements for big-block crate engines producing 500, 600, and even 700 hp on pump gasoline available at your local station. Of course, this is all fine and dandy if that’s all the power you’re after. But what if you want a few more ponies? What if you have to have the most powerful engine in the neighborhood?
Can you assemble a GMP 502 engine at home?
Aside from port-matching the intake manifold to the cylinder heads, this engine combination can be assembled at home with basic tools. It all starts with a pre-assembled Gen. VI 502 partial engine assembly (short-block) from GMPP.
