LT1, Next-Gen Small-Block
Introduced on the seventh-generation Corvette Stingray, the LT1 6.2L opened the next chapter in the long, historic legacy of the Small-Block engine.
PART NO. 19328728
460 HP @6000 RPM
465 LB/FT @4600 RPM
LT1 Tech Specs
- Part Number: 19328728
- Engine Type: Direct Injection spark-ignition Gen-V Small-Block V-8
- Displacement (cu. in.): 376 (6.2L)
- Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92mm)
- Block (P/N 12619171): Cast aluminum with 6-bolt nodular iron main bearing caps
- Crankshaft: Forged steel
- Connecting Rods: Forged powdered metal
- Pistons: Hypereutectic Aluminum
- Camshaft Type (P/N 12629512): Billet steel roller
- Valve Lift (in.): .561 intake / .531 exhaust
- Camshaft Duration (@0.050 in.): 242° intake / 244° exhaust
- Cylinder Heads (P/N 12620544): Aluminum, rectangular port D/I
- Valve Size (in.): 2.130 intake / 1.590 exhaust
- Compression Ratio: 11.5:1
- Rocker Arms (P/N 12619829 int): Investment-cast, roller trunnion
- Rocker Arms (P/N 12619829 exh): Investment-cast, roller trunnion
- Rocker Arm Ratio: 1.81:1
- Recommended Fuel: Premium pump
- Maximum Recommended rpm: 6600
- Reluctor Wheel: 58X
- Balanced: Internal
Advanced Combustion
The LT1 is architecturally similar to the LS family of engines, but with a unique block casting, cylinder head design, oiling system and more. The LT1 is offered with a wet-sump or dry-sump oiling system.
TRANSMISSION OPTIONS
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 1/31/24. 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 1/1/23 to 12/31/23. 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.
Project Cars
These passion projects were brought to life with a convenient Connect & Cruise Powertrain System.
1971 CORVETTE
The legend continues.
This 1971 Corvette proves it’s possible to improve on perfection with the 460-hp LT1 crate engine and T56 Super Magnum 6-speed transmission.
Installation Guides
Find everything from vital data about your engine’s capabilities to how to install it into your build.
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