621 HP @5400 RPM / 645 LB-FT @4200 RPM
The ZZ572/620 is the ultimate expression of Chevrolet Performance’s engineering capability.
Proving the adage there’s no replacement for displacement, the ZZ572/620 is the ultimate expression of Chevrolet Performance’s engineering capability, wrapped up in a soul-stirring combination of performance and attitude. We build the ZZ572/620 with huge 4.560-inch bores and a 4.375-inch stroke to help it deliver 621 hp.
Strength comes from a latest-generation tall-deck block casting with four-bolt main caps and an all-forged rotating assembly.
ZZ572/620 Deluxe Tech Specs
- Part Number: 19331583
- Engine Type: Chevy Tall Deck Big-Block V-8
- Displacement (cu. in.): 572
- Bore x Stroke (in.): 4.560 x 4.375
- Block (