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MTM981-103 - Mast Motorsports LS3 Manual Camaro Stage III Track Package

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Availability: Item has been discontinued and is no longer available


These new stage packages from Mast make big, dyno proven horsepower gains using pump gas. No headaches, no guesswork, just big power. Horsepower gains listed are performed on a chassis dyno resulting in true before and after, at the wheels horsepower gains.

The kit includes:
LS3 single bolt cam for manual transmission Camaros
Mast premium nitrided valve springs
Mast 12 degree LS3 cylinder heads
Mast 8.150” 3/8 pushrod
Mast stainless steel intake and exhaust valves, retainers and locks

Cam Specs:
Duration @.050 230/244
Lift 588/607
LSA 111

The cylinder heads are fully assembled and when coupled with headers can produce a 125 hp gain at the rear wheels. This cam has an aggressive idle.

Application List



  • 981-103
  • 981-103
  • Mast Motorsports
  • Item has been discontinued and is no longer available
  • New


Shipping Information

  • Item Requires Shipping
  • 60.0 lbs.

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