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CVTech Trailbloc Drive Pulley Springs

Item # 0951-1008

9 reviews

1 item left

  • Fast
  • Easy
  • Available
    Online Only

Product Details

For the CVTech Trailbloc only.

The replacement spring allows the engine to operate in a better power range. In deep snow, when climbing or hauling a load, the engine speed will operate and remain at a slightly higher speed, which gives it more power.

See charts for application.

Part # Color Code

Engagement Load (compressed at @60mm)(Newton)

Top Speed Load (compressed at @32mm)(Newton)

0951-1001 Gold/Green/Green 80 200
0951-1002 Gold/Green/Blue 80 400
0951-1003 Gold/Green/Yellow 80 600
0951-1004 Gold/Green/Red 80 900
0951-1005 Gold/Green/Pink 80 1200
0951-1006 Gold/Green/White 80 1600
0951-1007 Gold/Blue/Green 120 200
0951-1008 Gold/Blue/Blue 120 400
0951-1009 Gold/Blue/Yellow 120 600
0951-1010 Gold/Blue/Red 120 900
0951-1011 Gold/Blue/Pink 120 1200
0951-1012 Gold/Blue/White 120 1600
0951-1013 Gold/Yellow/Blue 200 400
0951-1014 Gold/Yellow/Yellow 200 600
0951-1015 Gold/Yellow/Red 200 900
0951-1016 Gold/Yellow/Pink 200 1200
0951-1017 Gold/Yellow/White 200 1600
0951-1018 Gold/Red/Yellow 300 600
0951-1019 Gold/Red/Red 300 900
0951-1020 Gold/Red/Pink 300 1200
0951-1021 Gold/Red/White 300 1600
0951-1022 Gold/Red/Gold 300 1757
0951-1024 Gold/Pink/Red 400 900
0951-1025 Gold/Pink/Pink 400 1200
0951-1027 Gold/Pink/Gold 400 1772
0951-1028 Gold/Gold/Red 500 900
0951-1029 Gold/Gold/Pink 500 1200
0951-1033 Gold/Silver/Pink 600 1114
0951-1034 - 600 1457
0951-1036 Gold/Orange/Blue 250 600
0951-1037 - 250 900


Orders over $200.00CAD qualify for free expedited shipping within Canada & United States. Shipping will be calculated at checkout for orders from $0CAD to $100CAD. From $100 to $199.99 we charge $10CAD as the a flat rate shipping cost. Click Here to view our complete Free Shipping Terms & Conditions.

For all US orders, items are shipped via Canada Post which transfers the parcels to USPS once in the US. Tracking number will be more accurate with USPS once it has crossed the US border.

For international Orders the shipping fees will be calculated at checkout. Parcels can be tracked via Canada Post or you local post office once it reaches your country

Most items will be shipped within 1-2 business days after the items has been ordered, however if an item requires additional processing time a message will be shown indicating such or we shall contact you.

See our full Shipping Policy for further details.


If your order arrives and it is damaged, we'll take care of it. Don't worry we know carriers aren't always kind wiht the parcels

Item doesn't fit or you aren't happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. Once item is received we will issue a refund to your original payment method.

Please see our full Return Policy for all of the pertinent details.

Customer Reviews
5.0 Based on 9 Reviews
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Filter Reviews:
    jack m.
    United States United States
    Quick delivery

    I ordered the trail block spring and 2 days later the right product was there. Great service. I HIGHLY recommend Peakboys!!

    Canada Canada
    Very impressed with this spring I would recommend anyone with a 570 xmr to buy this

    My overall experience was awesome this set up really wakes up a 570

    Peakboys CVTech Trailbloc Drive Pulley Springs Review
    Sean M.
    United States United States
    Works awesome

    Purchased a CVTECH primary for my 2019 Outlander 570 to optimize performance.Peak Boys had it delivered within a week. And wow what a difference, so glad I decided to go with it.

    Mike L.
    Canada Canada
    Primary clutch

    It was great the people over at peak boys do an amazing job to help a customer and everything always ships fast

    Excellent service

    Amazing performace