Connecting Rod Polaris, Hot Rods 8145

Description

The Hot Rods Connecting Rod Kit 8145 is a high-quality replacement for Polaris models, offering superior strength, durability, and reliability for heavy-duty applications. Manufactured from hot-rolled ASTM 4115 steel, these connecting rods are case-hardened and precision-engineered to minimize high-RPM bearing race distortion and improve grain flow. The kit includes all necessary components for a complete rod replacement, ensuring optimal engine performance.

Features:

  • Manufactured from hot-rolled ASTM 4115 and case-hardened to 58-62 Rc.
  • Advanced design minimizes high-RPM bearing race distortion with side scalloping and vent slots.
  • Double-forged for improved grain flow and dimensional consistency.
  • Shot-peened and double-honed for exceptional strength under heavy loads.
  • Double-drilled small ends supply extra lubrication and cooling to the wrist pin bearing.
  • Silver-coated thrust washers and crank pin bearings for enhanced lubricity.
  • Complete kit includes rod, crank pin, crank pin bearing, top-end bearing, and thrust washers.

Technical Specifications:

  • Big End Bore: 34.00 mm
  • Big End Width: N/A
  • Center to Center: 120.00 mm
  • Pin Diameter: 25.00 mm
  • Pin Length: 55.90 mm
  • Small End Bore: 23.00 mm
  • Small End Width: N/A
  • Washer Thickness: 1.00 mm

Cross-Reference OEM Part Numbers:

  • Polaris: 3082790
  • Polaris: 3083625
  • Polaris: 3083799
  • Polaris: 3083922
  • Polaris: CR168
  • HOTRODS: 8145
  • Wiseco: CR168

Compatible Models:

  • Polaris Trail Blazer 250 (1987–2006, including Freedom and ES models)
  • Polaris Trail Boss 250 (1985–1999, 2x4, 4x4, and R/ES variants)
  • Polaris Xplorer 250 4x4 (2000–2001)
  • Polaris Big Boss 250 (4x6: 1989–1993, 6x6: 1989–1993)
  • Polaris 300 (2x4/4x4: 1994–1995)
  • Polaris Big Boss 300 (4x6: 1989–1992, 6x6: 1994)
  • Polaris Xplorer 300 4x4 (1996–1999)
  • Polaris Xpress 300 2x4 (1996–1999)
  • Polaris Cyclone 250X (1987)
  • Polaris Scrambler 250 (1985–1986)

Part Number: 56-203.HR

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
POLARIS XPRESS 300 1996-1999
POLARIS XPRESS 400 1996-1997
POLARIS XPLORER 300 1996-1999
POLARIS BIG BOSS 300 1994
POLARIS SPORT L 400 1996-1997
POLARIS XPRESS 300 1999
POLARIS BIG BOSS 6X6 250 1991-1993
POLARIS 4X4 300 1994-1995
POLARIS 2X4 300 1994-1995
POLARIS XPLORER 300 1999
POLARIS TRAIL BLAZER 250 1990-2006
POLARIS XPLORER 250 2000-2001
POLARIS XPLORER 300 1996-2002
POLARIS XPLORER 400 2002
POLARIS TRAIL BOSS 4X4 250 1987-1999
POLARIS TRAIL BOSS 250 1987-1999
POLARIS TRAIL BOSS 250 1981-1999
POLARIS TRAIL BLAZER 250 1990-2004
POLARIS SCRAMBLER 250 1980-1986
POLARIS BIG BOSS 300 1989-1992
POLARIS 4X4 250 1994-1995

Connecting Rod Polaris, Hot Rods 8145

Product form

The Hot Rods Connecting Rod Kit 8145 is a high-quality replacement for Polaris models, offering superior strength, durability, and reliability... Read more

1 in stock 1-2 business days

£201.20 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 56-203.HR

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    The Hot Rods Connecting Rod Kit 8145 is a high-quality replacement for Polaris models, offering superior strength, durability, and reliability for heavy-duty applications. Manufactured from hot-rolled ASTM 4115 steel, these connecting rods are case-hardened and precision-engineered to minimize high-RPM bearing race distortion and improve grain flow. The kit includes all necessary components for a complete rod replacement, ensuring optimal engine performance.

    Features:

    • Manufactured from hot-rolled ASTM 4115 and case-hardened to 58-62 Rc.
    • Advanced design minimizes high-RPM bearing race distortion with side scalloping and vent slots.
    • Double-forged for improved grain flow and dimensional consistency.
    • Shot-peened and double-honed for exceptional strength under heavy loads.
    • Double-drilled small ends supply extra lubrication and cooling to the wrist pin bearing.
    • Silver-coated thrust washers and crank pin bearings for enhanced lubricity.
    • Complete kit includes rod, crank pin, crank pin bearing, top-end bearing, and thrust washers.

    Technical Specifications:

    • Big End Bore: 34.00 mm
    • Big End Width: N/A
    • Center to Center: 120.00 mm
    • Pin Diameter: 25.00 mm
    • Pin Length: 55.90 mm
    • Small End Bore: 23.00 mm
    • Small End Width: N/A
    • Washer Thickness: 1.00 mm

    Cross-Reference OEM Part Numbers:

    • Polaris: 3082790
    • Polaris: 3083625
    • Polaris: 3083799
    • Polaris: 3083922
    • Polaris: CR168
    • HOTRODS: 8145
    • Wiseco: CR168

    Compatible Models:

    • Polaris Trail Blazer 250 (1987–2006, including Freedom and ES models)
    • Polaris Trail Boss 250 (1985–1999, 2x4, 4x4, and R/ES variants)
    • Polaris Xplorer 250 4x4 (2000–2001)
    • Polaris Big Boss 250 (4x6: 1989–1993, 6x6: 1989–1993)
    • Polaris 300 (2x4/4x4: 1994–1995)
    • Polaris Big Boss 300 (4x6: 1989–1992, 6x6: 1994)
    • Polaris Xplorer 300 4x4 (1996–1999)
    • Polaris Xpress 300 2x4 (1996–1999)
    • Polaris Cyclone 250X (1987)
    • Polaris Scrambler 250 (1985–1986)

    Part Number: 56-203.HR

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    POLARIS XPRESS 300 1996-1999
    POLARIS XPRESS 400 1996-1997
    POLARIS XPLORER 300 1996-1999
    POLARIS BIG BOSS 300 1994
    POLARIS SPORT L 400 1996-1997
    POLARIS XPRESS 300 1999
    POLARIS BIG BOSS 6X6 250 1991-1993
    POLARIS 4X4 300 1994-1995
    POLARIS 2X4 300 1994-1995
    POLARIS XPLORER 300 1999
    POLARIS TRAIL BLAZER 250 1990-2006
    POLARIS XPLORER 250 2000-2001
    POLARIS XPLORER 300 1996-2002
    POLARIS XPLORER 400 2002
    POLARIS TRAIL BOSS 4X4 250 1987-1999
    POLARIS TRAIL BOSS 250 1987-1999
    POLARIS TRAIL BOSS 250 1981-1999
    POLARIS TRAIL BLAZER 250 1990-2004
    POLARIS SCRAMBLER 250 1980-1986
    POLARIS BIG BOSS 300 1989-1992
    POLARIS 4X4 250 1994-1995

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa