MCS Breaker Weight Spring Set. Standard for Harley-Davidson 1970-1999 Big Twin (Excl. TC); 1971-2003 XL Sportster. with Mechanical Advanced Ignition
Description
With standard springs for stock advance curve; best for most OEM applications. OEM replacement reference 32605-70 (standard strength springs). Note: Using stronger than stock springs will give a slower advance curve and can be used to solve detonation (pinging) issues in high compression engines or poor fuel. Note: 516300 is standard replacement; 516301 is heavy duty; 516598 is extreme duty. Mixing different spring strengths will give additional fine-tuning options. Note: Stronger than stock springs may require carburetor adjustment.
Fitment
- 70-99 Big Twin (Excl. TC)
- 71-03 XL Sportster (NU). With mechanical advanced ignition
Product Details
- Brand: MCS
- Category: ELECTRICAL > ADVANCE UNITS AND PARTS
- Unit: 2P
- Product code: 516300
Part Numbers
MCS Part Number: 516300
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This estimate is for the selected item and quantity on their own. Shipping for your complete order is recalculated in the basket and shown again at checkout before payment. Your full order is recalculated in the basket and confirmed at checkout.
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Our additional returns offer covers unused items when you contact us within 30 days after delivery. Your statutory rights, including for sale items, are unaffected. Read our returns policy.
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Returns & warranty
Contact us within 30 days after delivery to return an unused item under our additional returns offer. Conditions apply.
Free tracked UK return labels are available for qualifying parcels under 20 kg and within 61 × 46 × 46 cm.
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For the full conditions, refund details and how to return an item, see our returns policy. Contact sales@hogparts.co.uk for help.