Specifications

• Part# PAC-S135
• Name Valve Spring Seat
• SKU PAC-S135
• Alt Part# PAC-S135-16
• Description Chrome Moly Steel (0.060 Thickness) Seats- .570 Guide for LS Springs for use in Small Block
• Material CHROME MOLY
• Stepped Seat No
• Outside Diameter (A) 1.27
• 1st Step Diameter (B) 0.68
• 2nd Step Diameter (C) N/A
• 3rd Step Diameter (D) NA
• Valve Guide Hole Size 0.57
• Thickness 0.06