ls376/525

LS376/525

Through December 31, get a $250 mail-in rebate on all Chevrolet Performance crate engines.

Fuel-injected ferocity 

With Chevrolet Performance’s aggressive ASA camshaft  installed in the LS3 6.2L engine, it comes alive with 525 uncompromising horsepower.

$19,157 MSRP

PART NO. 19301360

WhyBuy

525 HP @6200 RPM

WhyBuy

486 LB-FT @5200 RPM

Take-no-prisoner performance 

The ASA camshaft is a hydraulic roller with .525-inch lift on both sides, along with 226 degrees duration on the intake side and 236 degrees on the exhaust side. And for durability, we complement the cam with higher-rate valve springs.

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.  

Through December 31, get a $500 or $750 mail-in rebate on all Chevrolet Performance Connect & Cruise systems.

Project Cars

These passion projects were brought to life with a convenient Connect & Cruise Powertrain System.

1988 MONTE CARLO SS 

An icon reborn. 

G-body heritage meets the modern power of the LS376/525 crate engine and T56 Super Magnum 6-speed transmission in this 1988 Monte Carlo.

Installation Guides

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

LS376-525 Tech Specs

  • Part Number: 19301360
  • Engine Type: LS-Series Gen-IV Small-Block V-8
  • Displacement (cu. in.): 376 (6.2L)
  • Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92 mm)
  • Block (P/N 12623967): Cast aluminum with six-bolt, cross-bolted main caps
  • Crankshaft (P/N 12685659): Nodular iron
  • Connecting Rods (P/N 12607475): Powdered metal
  • Pistons (P/N 19207287): Hypereutectic aluminum
  • Camshaft Type (P/N 88958770): Hydraulic roller
  • Valve Lift (in.): 0.525 intake / 0.525 exhaust
  • Camshaft Duration (@0.050 in.): 226° intake / 236° exhaust
  • Cylinder Heads (P/N 12629063): Aluminum L92-style port; “as cast” with 68-cc chambers
  • Valve Size (in.): 2.165 intake / 1.590 exhaust
  • Compression ratio: 10.7:1
  • Rocker Arms (P/N 12569167 int): Investment-cast, roll trunnion
  • Rocker Arms (P/N 10214664 exh): Investment-cast, roll trunnion
  • Rocker Arm Ratio: 1.7:1
  • Recommended Fuel: Premium pump
  • Maximum Recommended rpm: 6600
  • Reluctor Wheel: 58X
  • Balanced: Internal

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  • See participating U.S. dealer or authorized powertrain reseller for details and rebate form, which must be postmarked by 1/31/18. Rebates are available to customers who have purchased the parts detailed above at a participating Chevrolet, Buick, GMC, or Cadillac dealer or a powertrain retailer located in the United States. See rebate form for eligible parts and details. Allow 6 to 8 weeks for delivery of debit card. Offer valid 11/1/17 to 12/31/17. Rebate form and details available at chevrolet.com/performance/offers.

  • The Manufacturer's Suggested Retail Price excludes tax, shipping and installation. Individual retailer pricing may vary. Please see your local dealer or retailer for details.

  • The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges.