This ARP digital stretch gauge measures rod bolt stretch during engine assembly to help set connecting rod bolts to their proper preload rather than relying on torque alone. It has an adjustable length body, a digital indicator reading in 0.0001 in increments, and a billet aluminum body.
Specifications:
- Type: Rod Bolt Stretch Gauge
- Length: Adjustable
- Indicator: Digital, 0.0001 in Increments
- Body Material: Aluminum (Billet)
- Quantity: Each
- Part Number: 100-9943
FAQ
What is this stretch gauge used for?
It measures how much a connecting rod bolt stretches when tightened, letting an engine builder set bolts to a precise preload rather than relying on torque value alone.
How precise is the digital indicator?
It reads in 0.0001 in increments.
What is the gauge body made from?
It has a billet aluminum body.
Is the gauge adjustable for different rod lengths?
Yes, the gauge body is adjustable in length.

