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Most performance pistons use a floating pin with removable locks, either round wire locks, spiral-wound locks or Kramm Locks. The most common lock is the round-wire lock (or Cir-Clips) WIRE LOCK INSTALLATION INSTRUCTIONS: WIRE LOCKS

There are 2 locks per piston. Take one wire lock and locate the end in the lock groove in the piston pin hole at 90 degrees from the pick lock groove.

Using a stiff small bladed screwdriver gently press against the lock, pushing it into the groove in the pis- ton. Keep your finger over the other side of the lock to keep it from coming out. Insert the tip into the pick lock groove while you wedge the lock into the groove. Take caution not to damage or kink the lock. With the lock in the piston groove, you need to make sure it is fully engaged.

Using a piston pin, simply slide the pin into the piston and push it against the lock, making sure the lock does not move. It is a good idea to press the pin against both sides of the wire lock to check engagement

Now install the connecting rod and the second lock. Seat the second lock in the same manner as the first.Just as a precaution, we recommend hitting each side of the wrist pin with the brass drift pin an additional time. Perform these functions on a cloth towel or soft rubber pad so no damage to the piston occurs. Wire Locks: Made from a High quality Carbon Spring Steel or Chrome Silicon based alloy. They are black Oxide coated, oil dripped and sealed to be non-corrosive.

Part Number 591x040 AWL 551x040 SWL 630X050 SWL 669X050 SWL 708x050 SWL

Part Number 748X050 SWL 787x050 SWL 787x063 SWL 827x063 SWL 866X063 SWL

Part Number 866x073 SWL 905x073 SWL 927x073 SWL 945x073 SWL 990x073 SWL

Part Number 1031x073 SWL 1094x073 AWL

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