STARTING LINE PRODUCTS - 40-73 - Primary Spring

Q: Where can I find installation instructions for this product?

General installation notes are provided on the product page where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat for questions about difficulty, required tools, or whether professional installation is recommended.

Upgrade your snowmobile's performance with Starting Line Products' 40-73 Primary Spring. SLP's drive springs are designed to give you the engagement and peak RPM you desire, manufactured from high-quality chrome-silicone wire that resists sagging and breakage. Available in yellow and green, this clutch spring has a compressed length of 64mm to 32mm and a compressed load of 72.6kg to 140.6kg. Perfect for snow riding, this durable and reliable spring is a must-have for any snowmobile enthusiast looking to optimize their machine's performance. Choose SLP for quality, performance, and durability in every ride.

Features

SLP's line of drive springs allows you to choose a spring that gives the engagement you desire and proper peak RPM

Manufactured from the highest-quality chrome-silicone wire that has been shot-peened to make a durable spring that resists sagging and breakage

Specs

Product Name: Spring

Type: Clutch

Style: Primary (Drive)

Color/Finish: Yellow, Green

Material: Chrome Silicon

Compressed Length: 64 mm - 32 mm (2-1/2" - 1-1/4")

Compressed Length Metric: 64 mm - 32 mm

Compressed Length Imperial: 2-1/2" - 1-1/4"

Compressed Load: 72,6 kg - 140,6 kg (160 lb - 310 lb)

Compressed Load Metric: 72.6 kg - 140.6 kg

Compressed Load Imperial: 160 lb - 310 lb

Units: Each

Riding Style: Snow

Frequently Asked Questions - STARTING LINE PRODUCTS - 40-73 - Primary Spring

General info

How do I know if this part fits my vehicle?

Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.

What does it mean if a product is listed as universal fit?

Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.

Where can I find installation instructions for this product?

General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.

What if I have more questions about this product?

Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.