Oil Filler Caps & Filters Back to Chevrolet Index   Oil Filler Caps 1931-52 all models. This cap is mounted on blow-by tube $8.95   Special Accessory _ The best thing that you can do for your engine. This full flow oil filter bolts directly to your block at the pressure regulator. No lines, no fittings. Includes all mounting hardware and directions. $165.00   Back to Top