2011 Chevrolet Corvette ZR1 Performance Parts

BTR 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...

BTR STEAM VENT KIT FOR LS ENGINES - BTRSTMVENTKIT The BTR steam vent kit offers a compact, simple solution for anyone wanting to connect all 4 steam vent passages together and still keep a low profile under the BTR Equalizer, BTR Trinity, or other...

BTR V2 LS ROCKER ARM TRUNNION KIT - TK002 NOTE : THE TRUNNION WILL HIT THE PASSENGER SIDE VALVE COVER BAFFLE ON EARLY STYLE LS1/LS6 COVERS!  FOR LS1/LS3/99-13 LS TRUCK STYLE ROCKERS The V2 trunnion kit builds on the success and knowledge we gained...

BTR LS9 HEAD GASKET - MLS - BTR22033-2 If you're putting together a budget power adder build, the BTR LS9 head gasket can't be beat for performance and value. These head gaskets have been proven to be reliable north of 1,000 horsepower. These gaskets...

6.0/6.2 ROTATING ASSEMBLY KIT *NOTE* BTR piston sets BTRP364098FT3-8 and BTRP370098FT3-8 use a stock connecting rod. A new offering to our product lineup, our rotating assembly kits offer high quality options to turn your 6.0 or 6.2 block into a high RPM monster. Whether...

BTR LS TURBO CAM KIT BTR's legendary turbo camshafts are now available in one convenient kit! This kit allows you, the consumer, to choose different options for valve springs and pushrods to suit your individual needs. Whether you have a 6500 RPM 5.3 with...

BTR - LS Top End Rebuild Kit Got that new LS cam, but need everything else to get it installed? Lose a lifter or a head gasket at the track? We have you covered! Get it all in one box for your LS to...

BOOSTED 5.3 ROTATING ASSEMBLY KIT A new offering to our product lineup, our rotating assembly kits offer high quality options to turn your 5.3 into a 1000+ horsepower capable monster! With several choices available in this kit, we can accomodate your needs. Products included:...

BTR CAM INSTALL KIT The BTR cam install kit includes a front cover gasket, water pump gaskets and crankshaft damper seal to make your cam swaps much easier. Also included is your choice of GM or ARP balancer bolt to finish the job!

BTR HEADER GASKET SET - BTR17944-2 BTR's header gaskets for LS engines are sold in pairs and are multi layer steel construction.

BTR CARBURETED HOT ROD PACKAGE One of the newest offerings from BTR, the carbureted hot rod package gives you the opportunity to convert your small block or big block equipped hot rod to LS power without breaking the bank. Whether you like cruising in...

400+ STROKER ROTATING ASSEMBLY KIT *NOTE* BTR piston sets BTRP402098DS8-8 and BTRP408098DS8-8 use a stock connecting rod. A new offering to our product lineup, our rotating assembly kits offer high quality options to turn your 6.0 or 6.2 block into a 400+ cubic inch...

BTR Ultimate RPM Spring kitSk703- .650" max liftBTR designed this valve spring kit for use in higher rpm combos ,especially for use with added cylinder pressures found in boosted applications.This kit was designed to help keep your valve train stable in the higher rpm ranges...