You are currently viewing Chevrolet.com (United States). Close this window to stay here or choose another country to see vehicles and services specific to your location.

ZZ6 TURN-KEY
CRATE ENGINE

ZZ6 TURN-KEY CRATE ENGINE

QUALITY PARTS.
HIGH-CALIBER BUILD.

Offer Valid 1/1/24 to 12/31/24

$250 rebate* on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine**. Rebate amount dependent on the package purchased.

QUALITY PARTS.
HIGH-CALIBER BUILD.

Offer Valid 1/1/24 to 12/31/24

$250 rebate* on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine**. Rebate amount dependent on the package purchased.

COMPLETE YOUR PERFECT BUILD

OFFER VALID 1/1/23 TO 12/31/23.

$250 rebate on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

PROPOSITION 65 WARNING.
Click for more details.

PROPOSITION 65 WARNING.
Click for more details.

The ultimate ‘ZZ’ crate engine

Chevrolet Performance’s ZZ6 is one of the most powerful 350-based crate engines in the more than 25-year history of the ‘ZZ’ crate engine lineup.

PART NO. 19435445

WhyBuy

405 HP @5600 RPM

WhyBuy

406 LB-FT @4600 RPM

Innovation in motion

It uses aluminum Fast Burn cylinder heads equipped with LS-style beehive valve springs for greater high-rpm performance. It’s rated at 405 horsepower and 406 lb.-ft. of torque – more than any GEN-I Small-Block engine ever offered in a production Chevrolet muscle car or Corvette!

Connect & Cruise Powertrain System

Connect & Cruise Crate Powertrain Systems provide factory-matched engine-and-transmission combinations that include specially calibrated controllers and wire harnesses designed for retrofit installations in older vehicles.  

Parts and labor warranty when installed by a GM Dealer or qualified installing independent Service Center (ISC) or when sold over the counter and REPAIRED by a GM Dealer or qualifying ISC. Parts only when consumer repaired or installed in non-highway application. Coverage limited to defects in material and/or workmanship of the specific part only. Warranty valid when all required components are installed on the same vehicle and purchased on one invoice.

 

††Must be purchased from a participating U.S. dealer or Chevrolet Performance Authorized Reseller. Mail-in rebate offer not available with other offers. See gmpartsrebates.com for details, applicable rebate amounts, and rebate form. Rebates must be submitted by 1/31/25. Rebates may be submitted over two invoices within 120 days of each other. Allow 6 to 8 weeks for delivery of debit card. Offer valid 1/1/24 to 12/31/24.

 

Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details. Rebate form and details available at chevrolet.com/performance/offers.

Installation Guides

Find everything from vital data about your engine’s capabilities to how to install it into your build.

ZZ6 Tech Specs

  • Part Number: 19435445
  • Engine Type: Chevy Small-Block V-8
  • Displacement (cu. in.): 350
  • Bore x Stroke (in.): 4.000 x 3.48
  • Block (P/N 10105123): Cast iron with 4-bolt mains
  • Crankshaft (P/N 12556307): Forged steel, shot peened
  • Connecting Rods (P/N 10108688): Forged powdered metal
  • Pistons (P/N 10159436): Hypereutectic aluminum
  • Camshaft Type (P/N 10185071): Steel hydraulic roller
  • Camshaft Lift (in.): .474 intakes/.510 exhaust
  • Camshaft Duration (@0.050 in.): 208° intake / 221° exhaust
  • Cylinder Heads (P/N 19300955): Fast burn aluminum – 62-cc chambers
  • Valve Size (in.): 2.000 intake / 1.550 exhaust
  • Compression Ratio: 9.7:1 nominal
  • Rocker Arms (P/N 19210724): Aluminum roller style
  • Rocker Arm Ratio: 1.5:1
  • Recommended Fuel: Premium pump
  • Ignition Timing: 36° total @ 4000 rpm
  • Maximum Recommended rpm: 5800
  • Balanced: External

Mobil 1 is now The Official Motor Oil of Chevrolet Performance.

VISIT OUR BRANDS FOR YOUR OE NEEDS

Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.