Oliver Connecting Rods

Choose from 7 specific styles

The OLIVER I-beam connecting rod features an exclusive "Parabolic Beam" design that reduces beam stress and delivers the highest strength-to-weight ratio of any connecting rod currently available.

All rods are precision machined using only premium mill certified aircraft quality E4340 chrome moly alloy billets, heat treated to produce a 100% martensite grain structure. Continual inspection, statistical process control, batch sampling and fatigue cycle testing assure the delivery of the finest product obtainable. Batch matched individual, replacement rods are in stock.

Ultra Light Series Designed for use in All Pro series type cars equipped with 350ci engines, with 9:1 compression ratios and 390cfm carburetors where RPM in the 8,200 range maybe encountered. Light, 430gm pistons are recommended. OLIVER/ARP 7/16" WSB bolts are included.

Limited Series Created for use in applications like the NASCAR late model sportsman series where the rules allow only unported cast iron heads, 3.480" stroke and 2-barrel carburetor. Light pistons and pins are recommended. 3/8" 0LIVER/ARP2000 bolts are featured.

Super Speedway Series Use this rod in high RPM endurance racing like the Nextel Cup, IMSA WSC Series and severe duty late model dirt cars where large cubic inch motors see a wide variation of RPM and loads. OLIVER/ARP 7/16" WSB bolts are included.

Big Block Series Use in all but the most extreme big block applications. Delivers superior strength through design-NOT bulk. This 6.135" rod weighs only 800gms. Perfect for use in Super Modified pavement and rat motor drag cars. OLIVER/ARP 7/16" WSB bolts included.

Big Block-Max Series Engineered for use in BB-Supercharged, endurance motors like blown alcohol hydroplanes where 8,200 RPM and 1,400 hp are common. OLIVER/ARP 7/16" WSB bolts are included.

Pontiac Series NHRA, Super Stock accepted. This rod is the same weight and dimension as stock OEM rods-but features dramatically increased strength. OLIVER/ARP 7/16" WSB bolts are included.

Standard Weight Series Our most popular billet connecting rod. Used in applications ranging from late model stock cars, NASCAR Nextel Cup, Busch Grand National series and 410ci sprint cars. OLIVER/ARP 7/16" WSB bolts are included.

Journal ends. honed to: +/- .0001" * Wrist Pin bushing: +/- .0001" * Taper, Bellmouth & Barrel to less than: .0002" Bend & Twist limit: .004" over an 8" bar * Balance to: .5gm each end

* Sizing tolerances held to highest standard in the industry