The ARP 144-6021 is a High Performance Series connecting rod bolt pair for Small Block Mopar engines (318/340/360). Bolts are machined from 8740 chromoly steel with a black oxide finish.
Specifications:
- High Performance Series
- 8740 chromoly steel construction
- Black oxide finish
- Pair (set of 2)
Applications:
- Small Block Mopar engines, 318/340/360
FAQ
How many bolts are included in the ARP 144-6021 kit?
The kit includes a pair (set of 2) of connecting rod bolts.
What material are these rod bolts made from?
They are machined from 8740 chromoly steel with a black oxide finish.
Which engines does this kit fit?
Small Block Mopar engines, 318/340/360.
How does this differ from the 144-6001 rod bolt kit?
It is sold as a pair (set of 2) rather than a full set of 16, for replacing individual rods.

