BTR .660" Dual Platinum Valve Spring Kit (Steel Retainers)

BTR .660" Dual Platinum Valve Spring Kit (Steel Retainers)

SKU: SK001/S/0560/BB

Regular price $239.99 Save $-239.99
Shipping calculated at checkout.

Only -13 items in stock!

Brian Tooley Racing makes some of the most powerful camshafts on the market for LS and LT engines. We are proud to announce that we have paired up with BTR to bring our customers some of his most popular camshafts & spring designs.


SK001 springs are designed for use with stock rockers.

Heavier roller rockers require more spring pressure to maintain control of the valve train.

We recommend our SP002/SK002 for roller rocker applications.

Note: This kit will not fit LS9 engines, please see item SK006 for LS9 heads.

Features Include:

  • .660" Lift BTR Platinum Dual Valve Springs
  • BTR Steel Retainers For Platinum and Extreme Springs
  • BTR Standard Size Spring Locators; .505" ID, .060" Thick
  • BTR LS Valve Seal Kit
  • BTR Black Oxide Coated Valve Locks; 1 Radial Groove, 7° Angle, 8mm
  • 1.300" Diameter
  • 155lbs @1.780"
  • 380lbs @1.180"
  • 400lbs @1.130"
  • Coil Bind @1.070"