The PO of the 73 K5 I just got a few weeks told me it had a rebuilt 327 in it but the numbers on the block ID it as a 350.nyway, it has a busted off oil dipstick tube. So I picked up a chrome SPECTRE replacement at Kragen. The package says its for Chevy small blocks but it doesn't match the existing one. The old one has a longer dipstick AND a longer tube. Yhe new stick is about 4" shorter wand the tube about 2" shorter. What is the length of the correct dipstick and tube?