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6th gen Camaro SS at Colorado Performance & Repair
Performance packages · Camaro

Camaro SS / 1LE packages

6.2L LT1 V8 · Stock 455 hp · 4 packages · Up to +170 HP. Every package is installed, calibrated and proven on our dyno in Northglenn.

Included on every packageCustom engine calibrationBefore + after dyno pullsProfessional installationFluids + gasketsWarranty on parts + installation

HP figures are package targets. "+" figures are gains over stock. Every car leaves with its own before-and-after dyno sheet; results vary with fuel, elevation and condition.

Naturally aspiratedFuel: 91

Stage 1

Breathing mods: intake, long-tube headers, X-pipe and a custom tune. The best first step for a stock car.

Best forDaily driver
+40-50HP gain

What is included

  • Cold air intake
  • 1-7/8 in. stainless long-tube headers
  • 3 in. stainless X-pipe with high-flow cats
  • 180 degree thermostat
  • NGK performance spark plugs + LT plug wires
Price on requestQuote this package
Naturally aspiratedFuel: 91

Stage 2

Stage 1 plus a custom cam. Lopey idle and a big gain up top.

Best forStreet + strip
+85-100HP gain

What is included

  • Cold air intake
  • 1-7/8 in. stainless long-tube headers
  • 3 in. stainless X-pipe with high-flow cats
  • 180 degree thermostat
  • NGK performance spark plugs + LT plug wires
  • Billet-core custom camshaft
  • Dual valve springs with titanium retainers
  • Hardened pushrods
  • Cam phaser lockout + VVT cam bolt
  • LS7 lifters, LS2 trays, DOD delete
  • ARP head bolts + MLS head gaskets
  • Fuel pump preload setup
Price on requestQuote this package
Naturally aspiratedFuel: 91

Stage 3

Stage 2 plus ported heads, intake manifold and throttle body. The most a stock-size LT1 will make.

Best forStrip + track
+120-135HP gain

What is included

  • Cold air intake
  • 1-7/8 in. stainless long-tube headers
  • 3 in. stainless X-pipe with high-flow cats
  • 180 degree thermostat
  • NGK performance spark plugs + LT plug wires
  • Billet-core custom camshaft
  • Dual valve springs with titanium retainers
  • Hardened pushrods
  • Cam phaser lockout + VVT cam bolt
  • LS7 lifters, LS2 trays, DOD delete
  • ARP head bolts + MLS head gaskets
  • Fuel pump preload setup
  • CNC-ported LT1 cylinder heads (exchange)
  • MSD AirForce intake manifold
  • 103mm throttle body
Price on requestQuote this package
Built engineFuel: 91

Stage 4 Stroker

416 cubic inch forged stroker with ported heads and cam. Maximum power without a power adder.

Best forMax effort
+150-170HP gain

What is included

  • 416ci stroker short block on GM LT1 block
  • Callies Magnum crank + Ultra H-beam rods
  • Wiseco custom pistons
  • ARP main studs, coated bearings
  • ATI SFI balancer
  • CNC-ported LT1 cylinder heads (exchange)
  • MSD AirForce intake manifold
  • 103mm throttle body
  • Billet-core custom camshaft
  • Dual valve springs with titanium retainers
  • Hardened pushrods
  • Cam phaser lockout + VVT cam bolt
  • LS7 lifters, LS2 trays, DOD delete
  • ARP head bolts + MLS head gaskets
  • Fuel pump preload setup
  • Cold air intake
  • 1-7/8 in. stainless long-tube headers
  • 3 in. stainless X-pipe with high-flow cats
  • 180 degree thermostat
  • NGK performance spark plugs + LT plug wires
  • Auxiliary low-side fuel system
Price on requestQuote this package

More Camaro packages

Camaro ZL1All platforms
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Our packages, explained.

Watch us walk through how our performance packages work, then pick the stage that fits how you drive. Questions? Ask for a quote below.

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Pick a package. We will send price + timeline.

Not sure which one fits? Tell us how you drive and what you want the car to do, and we will recommend one. Already modified? List your mods so we only quote what you need.

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