LS LS1 660" Dual Valve Spring Retainers For 4.8 5.3 6.0 LSX LS2 LS3 LQ4 LQ9 LS Fedex Express

Feature:1: According to the original factory specifications,perfect match for the original car.2: Own different test machines to design exact accurate parameter for our products.All switches were tested for performance.3: Made by high quality material, lightweight, anti-rust, colorfast and durable.4: Aftermarket product with premium quality.5: Stable performance, high reliability,suitable for replacing your broken one.Specifics:Condition: 100% Brand NewMaterial: SteelColor: show as picturesManufacture Part Number:SK001SInterchange Part Number:Steel Retainers, LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSAOther Part Number:SK001Type:Valve SpringFitment Type:Direct ReplacementFitment:Fits Gen3 and Gen4 LS Engines:LS1 LS2 LS3 LS4 LS6 LQ4 LQ9 4.8 5.3 6.0 6.2(Does not fit LS7 or LS9, message us for those kits)Package Include:BTR Platinum .660 Lift Dual Valve Springs (16)BTR Steel Retainers (16)BTR Spring Locators for stock guides (16)BTR Valve Stem Seal Set (16)BTR Locks (33)[* Instruction is not included!]Note:1Please check the description or use the year/make/model check finder and replace part numbers to confirm the compatibility before purchasing.2.Professional installation is recommended.Shipping:Free ShippingDelivery Time: 2-6 working daysWarranty:Returns: Customers have the right to apply for a return within 60 days after the receipt of the product24-Hour Expert Online: Solve your installation and product problems