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5L Gas 2013-2013 Infiniti EX37 V6 3
high-flow black mufflers with 3 IN tubing which improves performance across the power band while maintaining a great tone and aggressive sound during shifting
Backed by our lifetime guarantee of workmanship
2011-2019 Toyota Tundra Double Cab/Crew Max 5
2006-2013 Chevrolet Corvette C6 Z06
BTR: SOLID ROLLER SPRING KIT - .700 LIFT - SK1237 8mm 5L Gas 2013-2013 Infiniti EX37BTR SOLID ROLLER SPRING KIT SK1237 SPRING SPECS: 190lbs @ 1. 800" 570lbs @ 1. 100" Coil Bind 1. 030" KIT INCLUDES: BTRXP1237 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 SK1237 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
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