.799" (20.3mm) x 2.400" x .165" H13 Tool Steel Wrist Pin Diamond Pistons Exhaust Fabrication 1 x Crossover port round

1 x Crossover port round o-ring

Using better material gives our arms better longevity

Dual EFI Pump Surge Tank - Polished

the tempering temperature would yield material in the "temper brittle zone" (between 500°F and 700°F)

.799" (20.3mm) x 2.400" x .165" H13 Tool Steel Wrist Pin Diamond Pistons Exhaust Fabrication 1 x Crossover port roundDiamond Racing Pistons Wrist Pin H 13 Material . 799D x 2. 400L x . 165W Brand: Diamond Pistons Manufacturer's Part Number: H7992400165 Stealth Ride Part Number: H7992400165 UPC: Description: More Information Vendor Name Code Part Number H7992400165 Barcode H7992400165 Shipping Weight (Dimensional) 3. 000000 Clearance Sale No Availability Back Ordered Part Type Piston Wrist Pins & Locks Make Universal Model Universal Engine Universal Brand Diamond