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Chevrolet Performance 12499121K

Ram Jet 502 502ci Connect & Cruise Powertrain System 4L85-E Trans

Chevrolet Performance 12499121K
Chevy Performance® Connect & Cruise Crate Powertrain Rebate
Expires on December 31, 2017

Purchase a qualifying Chevrolet Performance Crate Powertrain System and get up to $750 back!

View All Connect & Cruise Powertrain Products

809-12499121K

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Estimated ship date 10/25/17 if Ordered Today
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Truck Freight: $299.00
Chevrolet Performance 12499121K Ram Jet 502 502ci Connect & Cruise Powertrain System 4L85-E Trans $18,114.17
Ram Jet 502 Connect & Cruise Powertrain System
  • 502 HP @ 5300 RPM
  • 568 ft/lbs TQ @ 3600 RPM
  • SuperMatic 4L85-E Four Speed Transmission
  • 3000-3400 RPM Stall Torque Converter

  • Chevrolet Performance 12499121K Details

    Ram Jet 502 502ci TECH SPECS:
  • Engine Type: Big-Block V-8
  • Displacement: 502ci
  • Bore x Stroke: 4.470'' x 4.000''
  • Block: Cast-iron with four-bolt main caps
  • Crankshaft: Forged steel
  • Connecting Rods: Forged steel
  • Pistons: Forged aluminum
  • Camshaft Type: Hydraulic roller
  • Camshaft Lift: .527'' intake / .544'' exhaust
  • Camshaft Duration (@.050 in.): 224° intake / 234° exhaust
  • Cylinder Heads: Aluminum oval port w/ 110cc combustion chambers
  • Valve Size: 2.25'' intake / 1.88'' exhaust; Stainless steel
  • Compression Ratio: 9.6:1
  • Rocker Arms: Stamped steel
  • Rocker Arm Ratio: 1.7:1
  • Distributor: HEI type
  • Water Pump: Aluminum, short-style
  • Recommended Fuel: Premium pump
  • Maximum Recommended rpm: 5800
  • Balanced: External
  • Spark Plugs and Plug Wires: Included
  • Flexplate: 14" Included
  • INSTALLATION NOTES:
  • Requires a 12-volt power source and ground, fuel feed and fuel return line to the fuel tank. An in-tank fuel pump is recommended
  • Clutch linkage bosses are drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads for clearance
  • Comes with an externally balanced 14'' automatic transmission flexplate
  • Designed for pre-1976 street vehicles or any off-road vehicle
  • Not intended for marine applications
  • IMPORTANT! For a safe, proper and trouble-free engine break-in, the MEFI 4 computer has a "green" mode that controls rpm during the break-in period. During this period, engine speed is limited to 4,000 rpm in the first hour, 4,500 rpm in the second hour and 5,500 rpm in the third hour

  • Make a Statement Under The Hood!

    Free Shipping!

    When it comes to performance innovations that save time, money and guesswork, Chevrolet Performance once again leads the way!

    Chevrolet Performance pioneered the concept of crate engines more than four decades ago, and continues to lead the industry with their unprecedented Connect & Cruise crate powertrain systems - factory-engineered engine and transmission combinations that include all the electronic control modules, wiring harnesses and other key components.
    Chevrolet Performance engineers matched the engines and transmissions for optimal performance and durability, so you can wring out every horsepower from them with total confidence! The specially calibrated controllers are designed for retrofit installations in older vehicles, for easier and quicker installation and operation without the need for third-party tuning.
    The convenience of a crate engine, the assurance of factory validate performance and the value of an inclusive package - that's what you get with Chevrolet Performance's Connect & Cruise crate powertrain systems.
    Each kit delivers a brand-new, fully assembled crate engine, a brand-new or remanufactured electronically controlled overdrive transmission, and the electronic transmission control module to get it all running in your project vehicle.
    Chevrolet Performance engineers matched the engines with their respective transmissions, ensuring they are up to the task of channeling big power with absolute dependability. The engine is traditional Big-Block Chevy design that was a staple for decades in rear wheel drive production-vehicles. The connect & cruise systems' unique SuperMatic transmission controllers is designed to work with the carbureted engine for a seamless, "plug-and-play" installation that is quick, easy and intuitive. Detailed instructions outline all the necessary steps.
    The engineers did all the hard work of designing and calibrating perfectly matched powertrain systems - and they covered them with a 24-month/50,000-mile limited warranty.


    Ram Jet 502 Engine
    The Ram Jet 502 blends the legendary torque and performance of the Big-Block with a modern port fuel injection system and tunnel ram-style high-rise intake manifold. It's a combination that offers uncompromising performance, including 502 horsepower and 568 lb.-ft. of torque, in a visually stunning presentation.
    The unique Ram Jet fuel injection system stands 11-inches tall at its highest point and consists of a two-piece manifold/plenum assembly, eight injectors, a throttle body, and an updated MEFI 4 controller. Setup instructions are included, making it a simple "plug-and-play" installation.
    Supporting the Big-Block's style and performance is a robust bottom end featuring an all-forged rotating assembly installed in a strong, latest-generation block casting with four-bolt main caps. It also has high-flow aluminum oval-port cylinder heads with 2.25/1.88-inch valves, and the engine package includes an aluminum short-style water pump and HEI distributor.

    Specifications:
  • Horsepower: 502 @ 5300 RPM
  • Torque: 568 ft/lbs @ 3600 RPM
  • Block: Cast Iron w/4-Bolt Main Caps
  • Crankshaft: Forged Steel
  • Connecting Rods: Forged Steel
  • Pistons: Forged Aluminum
  • Camshaft: Hydraulic Roller
  • Cylinder Heads: Oval Port Aluminum, 2.25" in/ 1.88" ex Valves
  • Water Pump: Aluminum, Short-style
  • Balanced: External
  • Compression Ratio: 9.6:1
  • Rocker Arms: 1.7:1
  • Recommended Fuel: Premium Pump


  • SuperMatic 4L85-E Four-Speed Automatic Transmission
    If you're looking to wring all the horsepower from your engine, look no further than Chevrolet Performance's heavy-duty SuperMatic 4L85-E Four-Speed Automatic Transmission. An extension of the TH400, widely considered one of the greatest transmissions ever manufactured, the 4L85-E continues the tradition of harnessing large outputs of power for optimal performance.
    Advantages of the 4L85-E include an improved valve body, overdrive gear, and advanced electronic controls. The result is a transmission that delivers firm shifts, efficiency, and exceptional drivability with a maximum torque capacity of 685 lb-ft. GM-engineered, -tested, and -validated to deliver smooth shifts, it more than meets the demands of your high-performance engine.

    Features:
  • Based on the legendary TH400
  • Improved valve body for firmer shifts
  • Direct bolt-on for Gen I Small-Block and all Big-Block Chevys
  • Gear ratios: 1st: 2.48, 2nd: 1.48, 3rd: 1.00, 4th: 0.75
  • Handles up to 690 lbs/ft. torque
  • SuperMatic 4L85-E Installation Kit
    Get your new 4L85-E bolted to your new engine with this 4L80 Series installation kit. Kit includes all the correct components that Chevrolet Performance offers to easily mate your new engine and trans.

    Installation Kit Includes:
  • SuperMatic Torque Converter; Dual Bolt Pattern 10-3/4" & 11-1/2"
  • SuperMatic Connect-N-Cruise Pre-Programmed Controller
  • Flexplate Covers
  • Fasteners
  • Instructions


  • Each Crate Powertrain System Includes:
  • Fully assembled crate engine
  • Transmission, Torque Converter & Install Kit
  • SuperMatic transmission control module
  • Instructions
  • GM Warranty

    Items You Need

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