Year One PF35CASE Features:

• Includes retro box and is licensed by GM
• Reproduction AC Delco PF35 oil filter with correct 6438384 part # and print on the filter
• Outside Diameter: 3-3/4 in.
• Gasket Inside Diameter: 3-3/16 in.
• Gasket Outside Diameter: 3-9/16 in.
• Thread Size: 13-16 in. -16
• Anti-Drain Back Valve: Yes

Year One PF35CASE Notes:

• This filter is slightly longer than the originals and requires 1/2 quart of extra oil.
• If using headers, this filter may have clearance problems