• Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
  • Bikeman Performance Big Bore Stroker Air Extreme Engine Kit
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Bikeman Performance

Bikeman Performance Big Bore Stroker Air Extreme Engine Kit

Bikeman Performance Big Bore Stroker Air Extreme Engine Kit

$25,395.95 USD
$25,395.95 USD
Sale Sold out
Core Options
The 2.3L naturally aspirated engine roars to 9000 rpm, delivering a punchy low‑end torque for your Polaris Pro R. Its high‑flow CNC head, .430 lift cams, and oversized valves keep the power flowing aggressively. Built with billet crank, custom pistons and reinforced rods, this crate engine promises durability and race‑ready performance.

Displacement 2.3L
Cylinders Bored and Sleeved
Crank Material 4340 billet
Stroke 78mm
Rods BC ProH2K
Pistons Custom CP
Cam Lift .430
Valve Size +1mm intake and exhaust

Shipping & Returns

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Warranty

Warranty depends on manufacturer and product, and is through the manufacturer. Gorilla Offroad does not warranty 3rd part manufactured products.

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