If you don't need the ultra-high strength of ARP's Pro series Wave Loc bolts, then you'll like the High Performance series.

These ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel.

The OE cylinder head bolts have to be replaced every time they are removed. Not only is that a large expense, but it can also be frustrating if you have to remove the head multiple times for diagnosis.

Rod Bolts, Pro Wave ARP 2000 2-Piece, Ford Pinto 2300cc, Inline 4

These Pro series cylinder head bolts from ARP are cold-forged to ensure molecular integrity.

ARP uses premium grade 8740 alloy that is rated far superior to that of supposed "aircraft" quality.

Cylinder Head Studs, Hex Nuts, Ford, Inline 6, 240, 300, Kit

The OEM volkswagen cylinder head bolts have to be replaced every time it is removed.

Cylinder Head Studs, 12-Point Nuts, Ford Inline 6, 240, 300, Kit

 The OE cylinder head bolts have to be replaced every time they are removed.

Cylinder Head Studs, 12-Point Nuts, Ford, Pinto, 2.0L, Kit

The OE cylinder head bolts have to be replaced every time they are removed.

Cylinder Head Studs, 12-Point Head, Ford, Pinto, 2.3L, Kit

The OEM volkswagen cylinder head bolts have to be replaced every time it is removed.

Cylinder Head Bolts, 12-Point Head with Undercut Studs, Ford, 2.3L, Kit

Volkswagen 1.8L 2.0L, 16V Golf/Jetta, 12-point nuts and under cut studs, ARP Head Studs 204-4702ARP Head Stud Kits with 12-point Nuts and Under Cut Studs .

ARP designed head stud kits are the best way to help the strength of an engine build or rebuild.

Exact tolerances ensure that gaskets and cylinder heads just glide into position and align perfectly.

ARP designed head stud kits are the best way to help the strength of an engine build or rebuild.

Premium quality 8740 and ARP2000 head stud kits are available for most domestic and import applications. You won't find a better quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality.

These ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel. All ARP rod bolts are heat-treated before grinding and thread rolling and have a large underhead radius for greater strength.

These ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel. All ARP rod bolts are heat-treated before grinding and thread rolling and have a large underhead radius for greater strength.

These ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel. All ARP rod bolts are heat-treated before grinding and thread rolling and have a large underhead radius for greater strength.

These ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel. All ARP rod bolts are heat-treated before grinding and thread rolling and have a large underhead radius for greater strength.

Toyota 3.0L (2JGZE) Inline 6 (1993-1998) Supra ARP 203-6005 Connecting Rod Bolts. Pro Series Wave-LOC Rod Bolts ARP2000. For the most severe applications, in conjunction with aftermarket I-beam rods, ARP has developed the “Pro” Series Wave-Loc bolts.

This is a high quality, American made main stud kit for VW / Audi 1.8T engines, brought to you by ARP out of California.

ARP Pro series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength.

Toyota 4U-GSE 2.0L 4-cylinder Rod Bolt Kit

It's easy to assemble a show-quality engine when you sue ARP's handy engine & accessory fastener kit. Virtually everything you need comes completely organized in one convenient package

These ARP High Performance series head bolt kits are tough! They are rated at 170,000 psi--15 percent stronger than Grade 8 fasteners.

It's easy to assemble a show-quality engine when you sue ARP's handy engine & accessory fastener kit.

These Pro series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi.

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi.

The importance of pressure plate bolts in a racing or hi-performance street applications cannot be emphasized nearly enough.

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi.

Flywheel and Flexplate bolts play an important role in the performance and safety of race cars and street machines alike.

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi.

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi.

Toyota 1.6L (2TC) 1.8L (3TC), 12-point nuts, ARP Head Studs 203-4206ARP Head Stud Kits with 12-point Nuts. It is for good reason that virtually every top professional engine builder relies on ARP head studs for their all-out competition powerplants.