JEGS Part Number: 555-51281"10 O'Clock" TDC Locator
JEGS Performance Products 51281 - JEGS Adjustable Billet Timing Pointers Details
Small Block Ford
Determining what pointer you need
With the crankshaft keyway at the 12 o'clock position and the #1 piston at TDC. Align the Balancer/Damper on the crank snout. Note the position of the 0° mark on the Balancer/Damper. If the mark is at 11 o'clock position then you need part number 555-51280; if it's at the 10 o'clock position then you need part number 555-51281.