All Stage8 Locking CV Bolt Kits are ON SALE NOW as part of our Pre-Season promotion for Racers! All kits are 20% off the displayed prices. Discount will be applied in your shopping cart! NOTE: Stage8 will no longer drop ship to individuals. Please allow up to 3 weeks for delivery, as some items may not be in stock and may require a production run. Locking CV Bolts for 911, 914, 924, 931, 924S, 944, 951, 968, 928 & BMW2002 There have been multiple reports of CV bolts failing or losing tension on the 914, 924 and 944, particularly for track use. The OEM units are designed as a stretch bolt, and must be replaced after each use. In addition, CV grease in the threads of the stub axles may contribute to the problem. Stage8's patented GrooveLok system eliminates the concern entirely and are much easier to secure than safety wire. Closeups of Stage8 GrooveLok bolt and retainers To purchase, visit our:  Porsche Application Selection Guide  BMW Application Selection Guide Benefits Bolts are reusable Bolts cannot back out Easier and faster to install than safety wire Retainers are reversible, with different indexing on each side for snug abutment fit Specifications Bolts are Aircraft-quality grade 12.9 – 4130 Alloy Steel Retainers are 5052-H32 Polished Aluminum Snap Rings & Clips Are Spring Steel Closeups of Stage8 GrooveLok with D-style clips and E-clip retainers. Also available with Teardrop clips and snap ring retainers. NOW AVAILABLE! Locking Exhaust Nut Kit for 931 $150 Suitable for all 931. Kit contains: QTY 16: M8x1.25 nuts and E-clips (for manifold-to-head, jpipe-to-wastegate, and wastegate-to-dump pipe) QTY 9: M10x1.50 nuts and E-clips (for manifold-to-turbine, turbine-to-jpipe, and turbine-to-main exhaust pipe) These high quality header kits are made from high quality, heat resistant stainless steel. Even when using conventional locking copper nuts, the studs can still back out, particularly on three bolt flange that attaches the turbine housing to the manifold. Once this occurs, one or more studs will often fall out, and are almost impossible to replace with the engine in situ. Loose exhaust hardware leads to exhaust leaks, boost leaks, inefficiency of the turbo due to heat loss, and additional stress on the manifold which can lead to the infamous cracked exhaust manifold on the 931. COMING SOON! Locking oil pan bolts for 928 Locking header nut kits for 944 Locking fuel rail hardware kits for 944 about ideola's garage || group buys || downloads || contact ideola || Copyright © 2009, Ideola New Media. Ideola is not associated with Porsche Cars North America in any manner. All pictures and references to the Porsche name, and the car names and shapes are for restoration reference only, and do not imply any association with PCNA.