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PAC Racing - PAC-KS15 - HR Valve Spring Kits - Dual GM LS

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The price includes any freight from the supplier to the Store

Product description

Valve Spring Kit - Dual Spring - 370 lb/in Spring Rate - 1.010 in Coil Bind - 1.290 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - Kit

Additional information
Installed Height (Valve Closed): 1.800 in
Seat Pressure @ 1.800 in: 150 lbs
Open Pressure @ 1.125 in: 400 lbs
Spring Rate: 370 lb/in
Max Valve Lift: 0.625 in
Coil Bind Height: 1.010 in

Included components:
Valve Springs: PAC-1904
Retainers: R335 (Chrome Moly)
Spring Seats: S129
Locks: L8113
Valve Seals: Included

Application notes:
LS engine dual valve spring kit with chrome moly retainers.

racingsprings.com

Vendor Part Number: PAC-KS15

Pac Racing Catalog -24
Pac Racing Catalog -15

Always verify specifications with the manufacturer and engine builder before final assembly.

The approximate size of the packed product or the sales package is 102 x 89 x 384 mm.

Engine
Chevy LS

Spring Type
Dual

Weight
2,1 kg(The product may have a light retail packaging.)

Availability
The product is currently not in stock at our warehouse. Available from our supplier. Estimated arrival at our warehouse 7 - 15 days from order, at the earliest 3.9.2026.

Delivery time?

If the product is available at the Vantaa warehouse, it can be picked up or delivered—usually already within the same day.

When the product shows an estimated delivery time of 7–15 days, this is how the supplier‑warehouse order progresses.

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