ARP 3/8"-24 x 1.000 12pt black oxide bolts (742-1000) alfa-romeo-stelvio-rwd Suit 4160 Vacuum Secondary models

Suit 4160 Vacuum Secondary models

25mm thread into Engine

Weiand Nostalgia series intakes are proudly cast and machined in the USA

- Baseline pad for track oriented street cars

ARP 3/8"-24 x 1.000 12pt black oxide bolts (742-1000) alfa-romeo-stelvio-rwd Suit 4160 Vacuum Secondary modelsARP 3 8" 24 x 1. 000 12pt black oxide bolts (742 1000) ARP Chromoly Bolts 742 1000 Now you can use premium quality ARP chromoly bolts to install most anything on a car, boat, or trailer. These specially heat treated 8740 chromoly fasteners feature a black oxide finish. They're nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. The bolts are available in a wide range of thread sizes,