The BTR 4340 Forged H-Beam Connecting Rods are a matched set of 8 rods engineered for GM LS-Series engine builds. Each rod is forged from 4340 steel, heat-treated, stress relieved, and shot peened, with the cap and rod serialized at the parting line to ensure proper mating after disassembly.
- Part Number: BTRROD6125H1-8
- Material: Forged 4340 Steel
- Style: H-Beam
- Length (C/L to C/L): 6.125 in
- Bearing Housing Diameter: 2.100 in
- Pin Bore: 0.9278 in, bronze bushed
- Bolts: 7/16-20 x 1.600 in ARP2000, pre-torqued with high pressure lube
- Weight: approx. 665 grams per rod, set matched within 2 grams
- Application: GM LS-Series
- Quantity: Set of 8
FAQ
What is the length of the BTR 4340 Forged H-Beam Connecting Rods (BTRROD6125H1-8)?
These rods measure 6.125 in center-to-center (C/L to C/L) and are designed for GM LS-Series engines.
What bolts are used with these connecting rods?
Each rod uses 7/16-20 x 1.600 in ARP2000 bolts, which are pre-torqued with high pressure lube before shipping.
How many rods are included and are they weight-matched?
This part number includes a set of 8 rods, matched within 2 grams of each other; each rod weighs approximately 665 grams.

