2011 Chevrolet Corvette ZR1 Performance Parts

BTR .660 PLATINUM SPRING KIT WITH VALVE TIP SAVERS - BRONZE GUIDES - .060" LOCATORS - BTR-SK001/6560/BB/TS The BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether you’re putting together a daily driver...

BTR .660 PLATINUM SPRING KIT WITH VALVE TIP SAVERS - STOCK GUIDES - .060" LOCATORS - BTR-SK001/0560/BB/TS The BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether you’re putting together a daily driver...

BTR PLATINUM PLUS .685 VALVE SPRING KIT WITH TITANIUM RETAINERS AND VALVE TIP SAVERS - BRONZE GUIDES - BTR-SK702/6560/BB/TS When you decide to take a walk on the wild side and exceed the .660” limit of our popular Platinum Spring Kit, the next step is...

BTR PLATINUM PLUS .685" VALVE SPRING KIT WITH TITANIUM RETAINERS AND VALVE TIP SAVERS - STOCK GUIDES - BTR-SK702/0560/BB/TS When you decide to take a walk on the wild side and exceed the .660” limit of our popular Platinum Spring Kit, the next step is...

BTR .625" LIFT BEEHIVE VALVE SPRING KIT - .045" THICK LOCATORS - BTR-SK018 BTR is proud to introduce our new SK018 Beehive style valve spring kit. This is a great option for camshafts using less than .625" valve lift. This budget friendly valve spring...

BTR is making quality OEM grade LS parts affordable again! This kit is similar to GM / Delco 12639250 Rear Main Seal Housing. Includes aluminum LS engine crankshaft rear seal housing, hardware, seal and gasket, Will not fit LSX blocks (Check with aftermarket block...

BTR LS TIMING COVER - W/O CAM SENSOR - BTR-00325 Front Cam Sensor Gen IV LS Timing Cover (LS2/LS3 like GM 12600325) Fits LSA, LS3, LS2, 4.8 L, 5.3L, 6.0L, 6.2L Engines without Supercharger and without Dry Sump. Great for replacing a factory Gen...

BTR/BAM SOLID ROLLER LIFTER SET - STOCK BLOCK LS - B-2029-16 - A four column design for ultimate strength and rigidity while minimizing mass. - Triple alloy steel billet lifter bodies machined on start of the art CNC equipment. - Heat treated for maximum...

BTR/BAM SOLID ROLLER LIFTER SET - DART LS NEXT BLOCKS - B-2028-16 - A four column design for ultimate strength and rigidity while minimizing mass. - Triple alloy steel billet lifter bodies machined on start of the art CNC equipment. - Heat treated for...

                                         BTR PISTON SET - GEN III/IV LS -  4.030" BORE - 4.000" STROKE - 6.125" ROD - 3CC FLAT TOP - BTRP408125FT3-8     ...

BTR STOCK REPLACEMENT LS PUSHRODS - OE7400-16 These OEM quality, stock replacement pushrods from BTR are designed for MILD, LOW LIFT CAMSHAFTS ONLY

BTR PISTON SET - GEN III/IV LS -  4.065" BORE - 4.000" STROKE - 6.125" ROD - 5CC FLAT TOP - BTRP416125FT5-8   RINGS NOT INCLUDED BTR and Wiseco have formed a partnership to bring an affordable piston to market for LS engines. Constructed out...

BTR PISTON SET - GEN III/IV LS -  4.030" BORE - 4.000" STROKE - 6.125" ROD - 8CC DISH - BTRP408125DS8-8  RINGS NOT INCLUDED BTR and Wiseco have formed a partnership to bring an affordable piston to market for LS engines. Constructed out of...