Honda, B Series, 137.00 mm Length, Connecting Rod Set

Estimated Ship Date 3-4 Weeks
MSRP: $1,050.48
Boostline Honda B Series Connecting Rod Set, 137.00 mm Length, 21.00 mm Pin, 45.00 mm Journal, 3/8 in. ARP 2000 Bolts, 4340 Steel, Patented Three-Pocket Design, Set of 4.
BoostLine connecting rods are designed and built for the stressful demands of high-powered, forced induction and nitrous engines. Whether you’re building a boosted K-series, a track-ready Volkswagen, or a sneaky SRT4, BoostLine connecting rods have been proven in import and domestic four-cylinder engines confidently pushing 1,000HP+. BoostLine rods are forged from premium 4340 steel and utilize a patented, three-pocket design, maximizing strength while minimizing rotating weight. This revolutionary design dramatically improves each rods’ big-end stability under tensile loads and provides a 60% improvement in bending strength and 20% stress reduction in tension compared to H-beam designs, benefits crucial to durability in four-digit-horsepower engines. Each rod is equipped standard with industry leading ARP hardware and is subject to a 26-point, CMM inspection with all critical dimensions provided via an inspection card included with every set of rods. BoostLine connecting rods are the complete package for every performance build, from powerful projects to all-out race cars.
  • Purpose-Built For Boost High Boost and Nitrous Honda B18A Applications
  • Forged From Ultra-Strong 4340 Steel
  • Patented Three-Pocket Design
  • Capable of 1000+ HP
  • 3/8 x 1.600 in. ARP 2000 Fasteners
  • High Quality APMCO Bronze Pin Bushing
  • 26 Point Detailed CMM Inspection Report Included

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Additional Product Specifications
Big End Width 23.77
Bolt Diameter 3/8
Bolt Part Number BT61501-S
CNC Ported No
File Fit No
Freeze Plug No
Journal Size 45.00
Lifter Bore No
Lightened No
Main Bearing Bore Diameter 48.011
Main Bearings Included No
Material Forged 4340 Steel
Mounting Hardware Included No
Oil Rail Support Included No
Pin End Bore 21.00
Piston Pin Included No
Piston Rings Included No
Product Types Connecting Rod Kits
Radial Wall No
Rear Seal No
Reluctor Ring Included No
Retainer Lock Included No
Ringset Included No
Rod Bearings Included No
Rod Length 137.00
Rod Type I-Beam
Weight Matched Set No
Woodruff Key Included No
Wrist Pin Journal Bushing Width 21.00
Model Engine Table
Make Engine