ARP2000 Performance Cylinder head stud, washer and nut set to suit Toyota 1HZ, 1HZ-T, 1HD-T series. These studs are 1/2" UNC to the block and will require the head bolt holes be drilled and tapped to suit. This will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening. This ultimately translates into higher reliability and a lower chance of head gasket failure.  Set includes ARP Ultra-Torque lubricant.

Final torque of 190 N.m (140 Ft.lbs) will deliver 75% of the fasteners yield strength as clamping load (9,361 kg/20,639 lbs).  This is an increase of 87% clamping load over OE head bolts

(ARP brand - made in USA)

ARP2000 Performance cylinder head stud set to suit Toyota 1KD and 2KD engines.  There are eight long studs and ten short studs with washers and nuts to suit. No modification to head bolt holes in the block or head is required.  These studs will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening.  This ultimately translates into higher reliability and a lower chance of head gasket failure. Set includes ARP Ultra-Torque lubricant.

Final torque of 170 N.m (125 Ft.lbs) will deliver 75% of the fasteners yield strength as clamping load (8,636 kg/19,000 lbs).  This is an increase of 8.4% clamping load over OE head bolts.

Final torque of 190 N.m (140 Ft.lbs) will deliver 85% of the fasteners yield strength as clamping load (9,772 kg/21,500 lbs).  This is an increase of 19% clamping load over OE head bolts.

(ARP brand - made in USA)

These ARP2000 head studs have been specially designed and manufactured for Toyota 2H, 2H (Parent Bore), 11Z & 12HT engines.

There are nineteen (19) x M12 studs at 139 mm long and seven (7) at 136 mm long, and 26 washers and nuts to suit.  

These studs will help gain the increased head clamping required in performance applications.

They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening. 

This ultimately translates into higher reliability and a lower chance of head gasket failure. Set includes ARP Ultra-Torque lubricant.

Note – These studs can also be used in Toyota 1Z and 2Z engines, however only eighteen (13/5) are required.

Final torque of 169 N.m (125 ft.lb) will deliver 75% of the fasteners yield strength as a clamping force of 8,830 kg (19,425 lbs). This is an increase of 29% clamping load over OE head bolts.

For most applications, 169 N.m will be sufficient. However, should you find you are experiencing gasket leakage, and all surfaces are flat and in good condition, you can use final torque of 191 N.m (141 ft.lb). This will deliver around 85% of the yield as a clamping load of 9,985 kg (22,015 lbs).  This is an increase of 46% clamping load over OE head bolts.

(ARP brand - made in USA)

!!!STOCK CLEARANCE!!!

ARP8740 1/2" Performance cylinder head stud set to suit Toyota 1HD-FT and 1HD-FTE series. There are twenty studs at 146mm length, 6 studs at 156mm length with washers and nuts to suit. These studs are 1/2" UNC. The head bolt holes in the block and head need to be modified to take these studs. These studs will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening.  This ultimately translates into higher reliability and a lower chance of head gasket failure. Set includes ARP Ultra-Torque lubricant.

Final torque of 170 N.m (125 Ft.lbs) will deliver 75% of the fasteners yield strength as clamping load (8416 kg/18515 lbs).  This is an increase of 68% clamping load over OE head bolts

(ARP brand - made in USA)

!!!STOCK CLEARANCE!!!

ARP8740 1/2" Performance cylinder head stud, washer and nut set to suit Toyota 1HZ, 1HZ-T, 1HD-T series. These studs are 1/2" UNC to the block and will require the head bolt holes be drilled and tapped to suit. This will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening.  This ultimately translates into higher reliability and a lower chance of head gasket failure.

Final torque of 170 N.m (125 Ft.lbs) will deliver 75% of the fasteners yield strength as clamping load (8416 kg/18515 lbs).  This is an increase of 68% clamping load over OE head bolts.

(ARP brand - made in USA)

ARP Performance flywheel bolt set to suit Toyota 1H series.

Set of 8 bolts and washers.

(ARP brand - made in USA)

Diesel Performance Parts (DPP) cylinder head stud kit to suit Toyota 1VD-FTV. 1 set required per engine.  There are twenty (20) studs at 183mm and twenty (20) nuts and washers to suit.  Studs are made from 13-8 Mo Stainless Steel and are ½ inch x 20 TPI on the nut end and M13x1.5 on the block end.  These are not ARP studs. They are made in the UK, and are equivalent to ARP2000 performance wise.  The nuts and washers are ARP, made in USA.  No modification to the head bolt holes in the block or head is required.  This will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening. This ultimately translates into higher reliability and a lower chance of head gasket failure.

Final torque of 190 N.m (140 Ft.lbs) will deliver 75% of the fasteners yield strength as clamping load (14968 kg/33000lbs). This is an increase of 23% clamping load over OE head bolts.

(DPP & ARP brand)

This ARP head stud kit has been specially designed and manufactured for Nissan ZD30 DDTi HPCFR engines.

There are eighteen (18) studs with 18 washers and nuts to suit and four (4) special injector clamp nuts.  These studs will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening.  This ultimately translates into higher reliability and a lower chance of head gasket failure.

At 75% of the fasteners yield strength these head studs deliver a clamping load of 19000 lbs.  This is an increase of 17% clamping load over OE head bolts.

At 85% of the fasteners yield strength these head studs deliver a clamping load of 21500 lbs.  This is an increase of 32% clamping load over OE head bolts.

Set includes ARP Ultra-Torque lubricant.

(ARP brand - made in USA)

This ARP2000 head stud kit has been specially designed and manufactured for Nissan ZD30 DDT and DDTi engines. There are eighteen (18) studs with 18 washers and nuts to suit. These studs will help gain the increased head clamping required in performance applications. They will achieve a more evenly distributed and accurate torque load compared to that of head bolts by eliminating the twisting force created during tightening.  This ultimately translates into higher reliability and a lower chance of head gasket failure.  Set includes ARP Ultra-Torque lubricant.

At 75% of the fasteners yield strength these head studs deliver a clamping load of 19000 lbs.  This is an increase of 17% clamping load over OE head bolts.

At 85% of yield strength these head studs deliver a clamping load of 21500 lbs.  This is an increase of 32% clamping load over OE head bolts.

(ARP brand - made in USA)