ARP Hex Head Bolt - 8 mm x 1.25 Thread - 40 mm Long - 10 mm Head - Stainless - Polished (Set of 5) Boost Control Solenoid Lifter valley vents positively vent

Lifter valley vents positively vent the crankcase and eliminate oil drain-through and windage losses

detailed instructions

Tool includes adapters to fit 3/8"-16 coarse or 3/8"-24 fine thread solid axles

Some of fastest and quickest cars on the planet depend on Simpson Parachutes to get them to a halt

ARP Hex Head Bolt - 8 mm x 1.25 Thread - 40 mm Long - 10 mm Head - Stainless - Polished (Set of 5) Boost Control Solenoid Lifter valley vents positively ventProduct Description: Bolt 8 mm x 1. 25 Thread 40 mm Long 10 mm Hex Head Stainless Polished Universal Set of 5 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.