2013 Chevrolet Corvette Z06 Performance Parts

BTR VALVE LOCK SET - LS - 7° - BEAD LOCK - VL7°8MM-32 BTR’s Super Series valve locks are available in a variety of heights, angles, and designs to fit various LS valvetrain designs as well as Ford Mod Motor applications. Check them all...

BTR TITANIUM RETAINERS - LS - PACK OF 200 - SR001-200 BTR built its reputation on the back of valvetrain design and innovation. Our retainers are available in steel or titanium for numerous applications. Whether you’re doing a stock replacement job or looking to...

BTR VALLEY COVER GASKET - GEN 3 LS - BTR58178 BTR's Gen 3 valley cover gasket can be used in place of GM part # 12558178.

BTR VALVE COVER GASKET - LS - BTR37683 BTR's valve cover gaskets can be used in place of GM part # 12637683

BTR VALVE SEAL - LS - BLACK - PACK OF 200 - BTR33586-200 BTR has a variety of valve seals that will work for your LS, Viper, or Ford application. Whether you’re running a single or dual spring, stock rebuild or 3,000 hp, we...

BTR WATER PUMP GASKET - LS - BTR30223 BTR water pump gasket that can be used in place of GM part # 12630223. SOLD INDIVIDUALLY

BTR VALLEY COVER GASKET - GEN 4 LS DOD DELETE - BTR10141 BTR's Gen 4 valley cover gasket can be used in place of GM part # 12610141. DOES NOT FIT DOD-EQUIPPED ENGINES - See GM #  89017690 FOR DOD APPLICATIONS

BTR STEEL RETAINERS - LS - BULK BAG OF 200 - SR001S-200 BTR built its reputation on the back of valvetrain design and innovation. Our retainers are available in steel or titanium for numerous applications. Whether you’re doing a stock replacement job or looking...

BTR LS SPRING LOCATOR SET - 4140 STEEL - .565" ID BRONZE GUIDE - .610" INNER STEP - .060" THICK - SET OF 16 - SLS138-16 1.270" OD .566" ID, .610" inner step .060" thick Designed to work with PAC 1237X, 1238X, 1335X, 1529X...

BTR LS SPRING LOCATOR SET - 4140 STEEL - .505" ID STOCK GUIDES - .680" INNER STEP - .060" THICK - SET OF 16 - SLS136-16 1.270" OD .505" ID for stock LS powder metal guides, .680" inner step .060" thick Designed for use...

BTR LS SPRING LOCATOR SET - 4140 STEEL - .565" ID BRONZE GUIDE - .680" INNER STEP - .060" THICK - SLS135-16 1.270" OD .565" ID, .680" inner step .060" thick Designed for use with PAC 1205X, 1206X, 1207X, 1208X and 1209X springs.

BTR LS SPRING LOCATOR SET - 4140 STEEL - .505" ID - .610" INNER STEP - .060" THICK -  SET OF 16 - SLS128-16 1.270" OD .505" ID, .610" inner step .060" thick Designed for use with PAC 1237X, 1238X, 1335X, 1529X and 1530X...

BTR SPRING LOCATOR FOR LS BRONZE GUIDES - .060" THICK - BULK BAG OF 200 - SL565060-200 BTR Spring Locators for LS dual springs and bronze LS guides - 0.568" ID - .660" OD step - 1.260" Retainer OD -  0.060" Thick.

BTR SPRING LOCATOR FOR LS BRONZE GUIDES - .060" THICK - SET OF 16 - SL565060-16 BTR Spring Locators for LS dual springs and bronze LS guides - 0.568" ID - .660" OD step - 1.260" Retainer OD -  0.060" Thick.

BTR SPRING LOCATOR - FOR DART/RHS LS GUIDES - .060" THICK - BULK BAG OF 200 - SL520060-200 BTR Spring Locator for LT4 exhaust side or Dart/RHS LS guides with dual springs - 0.521" ID - 0.661" OD step - 1.260" OD - 0.060"...