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A wastegate actuator is mounted to the integrated cast bracket and comes preset but is adjustable
We offer catted and catless options here with a full 3" exhaust from the turbo manifold flange back to the rear muffler section
aggressive stance with huge improvements in handling and performance
0L Gas 2011-2016 BMW Z4 28i E89 (N20) Turbo L4 2
BTR: SOLID ROLLER SPRING KIT - .750 LIFT - SK1238 bi-modal A wastegate actuator is mountedBTR SOLID ROLLER SPRING KIT SK1238 SPRING SPECS: 250lbs @ 1. 800" 680lbs @ 1. 050" Coil Bind . 985" KIT INCLUDES: BTRXP1238 1 valve spring (16) SR532 16 retainer set SL128 16 locator set (stock guides) OR SL138 16 locator set (bronze guides) VS LS KIT valve seals VLM8 8MM 32 valve locks Features BTR SKU SK1238 Brand Brian Tooley Racing Part Type Valve Spring Kit Engine Type Gen III Gen IV LS Spring Type DUAL Max Lift N A Retainers Included YES
US$ 34.99
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US$ 179.10
