






⚡ Elevate your LS engine’s heartbeat with precision and power!
The Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit is a premium drop-in upgrade designed for 15° LS heads, delivering progressive spring pressures from 155 to 400 lbs. Compatible with a wide range of LS engines and stock rocker arms, this polished steel kit ensures optimal valve control for builds ranging from mild daily drivers to 1000 hp turbocharged beasts.
| ASIN | B0C5YDMPCX |
| Best Sellers Rank | #433,414 in Automotive ( See Top 100 in Automotive ) #43 in Automotive Replacement Engine Valve Springs |
| Brand | Dynosty |
| Customer Reviews | 4.8 4.8 out of 5 stars (59) |
| Date First Available | May 22, 2023 |
| Exterior | Polished |
| Item Weight | 4.42 pounds |
| Item model number | BTR SK001 |
| Manufacturer | Dynosty |
| Manufacturer Part Number | SK001 |
| Model | BTR Platinum LS Dual Spring Kit |
| Package Dimensions | 12.24 x 3.78 x 3.11 inches |
| Special Features | .660 Lift |
D**S
Quick delivery
Work great showed up fast
J**S
Worth it
Great product works and fit perfectly
B**.
Nice Spring Kit
Very high quality, as you would expect from BTR. Perfect upgrade for a cammed LS swap.
S**H
10/10
works great good stuff
M**I
Perfect
I love how fast it arrived and it works perfectly on my motor.
T**L
BTR Dual Valve springs
Fast shipping. Product is Perfect👍
T**Y
Great springs
Installed these on a turbo 5.3. I turn 7200 rpm on a regular basis it is very stable. I think I can turn it up higher yet without issue. It hits that rpm very quick with no fall off.
D**E
Convenience
I liked that each syringe came individually wrapped, and a good amount for the price
Trustpilot
3 weeks ago
1 day ago