maXpeedingrods Z28 Valve Springs Kit w/Steel Retainers HD Locks for Chevrolet Small Block Chevy 327 350 400

ApplicationFor complete set of valve springs for GEN I and II Small Block Chevy (not for vortec) engines.SpecificationVALVE SPRING SPECIFICATIONS Outside Diameter: 1.259 in. Inside Diameter: .876 in. For Seat Load: 110-lbs. at 1.700 in. Open Load: 285-lbs. at 1.210 in. Coil Bind: 1.160 in. Free Length: 2.040 in. Spring Type: Single with damper RETAINER SPECIFICATIONS Outside Diameter: 1.240 in. Step 1 Diameter: .860 in. Step 2 Diameter: .645 in. Stem Diameter: 11/32 in. Lock Style 7 degree Material: Chromemoly LOCK SPECIFICATIONS Stem Diameter: 11/32 in. Lock Style: 7 degree Lock Groove Type: single groove, square Lock Material: Hardened steelPackage included16×Valve Spring 16×Valve Spring Retainer 32×Valve Locks ( as shown in the picture?Description:Valve Spring Specs: Max Lift: .550" Type: Single W/ Damper Valve Material: Chrome Silicon Spring Diameter: 1.250" Installed Height: 110# @ 1.700" Open Load: 285# @ 1.210" Retainer Specs: Lock Angle: 7 degree Material: 4140 chrome moly steel Notes: heat treated; black oxide finish Lock Specs: Groove: Single; square Notes: heat treated Professional Installation is Highly Recommended (No Instruction Included).

• Fitment: Fit for complete set of valve springs for GEN I and II Small Block Chevy (not for vortec) engines
• Strict Quality Control: This product is made of metal, strong and durable. The Valve spring is heat treated and black oxide finish
• Package Includes: 16×Valve Spring, 16×Valve Spring Retainer, 32×Valve Locks, as shown in the picture
• Note: Professional installation is highly recommended
• 24/7 Customer Support: maXpeedingrods offers lifetime technical support and 1-year limited warranty for quality-related issues since the date of purchase. Feel free to contact us if you have any questions