Head Stud Kits for Chevrolet

It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there's not a better stud setup on the market today.

For openers, ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.

Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. It's important to note that lesser quality studs are not even centerless ground - the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned - something that won't happen with inferior quality head studs. (More Below)

Orders over $150 ship FREE!

Small Block Chevrolet
Big Block Chevrolet
V6 Chevrolet
Inline 4- and 6-Cyl Chevrolet
Diesel Chevrolet

Part #	Chevrolet Inline 4- and 6-Cylinder	Price
231-4701	GM 2.2L Ecotec Head Stud Kit with 12-Point Nuts and Undercut Threads	$137.51
131-4002	GMC Vega 140 Head Stud Kit with Hex Nuts and Standard Threads	$91.57
131-4001	Inline 4-cylinder, '62 and up Head Stud Kit with Hex Nuts and Standard Threads	$100.27
131-4201	Inline 4-cylinder, '62 and up Head Stud Kit with 12-Point Nuts and Standard Threads	$126.50
132-4001	Inline 6-cylinder, '62 and up Head Stud Kit with Hex Nuts and Standard Threads	$114.59
132-4201	Inline 6-cylinder, '62 and up Head Stud Kit with 12-Point Nuts and Standard Threads	$144.53
Part #	Chevrolet V6	Price
233-4003	2.8L 60°, M11 Head Stud Kit with Hex Nuts and Standard Threads	$100.27
233-4303	2.8L 60°, M11 Head Stud Kit with 12-Point Nuts and Standard Threads	$106.22
233-4001	4.3L 90° Head Stud Kit with Hex Nuts and Standard Threads	$126.18
233-4601	4.3L 90° Head Stud Kit with 12-Point Nuts and Undercut Threads	$148.50
233-4301	4.3L 90° Head Stud Kit with 12-Point Nuts and Standard Threads	$138.38
233-4401	4.3L 90° Head stud Kit with Hex Nuts and Undercut Threads	$142.80
233-4108	4.3L 90° with 18° raised port Head Stud Kit with Hex Nuts and Standard Threads	$132.22
233-4708	4.3L 90° with 18° raised port Head Stud Kit with 12-Point Nuts and Undercut Threads	$161.83
233-4308	4.3L 90° with 18° raised port Head Stud Kit with 12-Point Nuts and Standard Threads	$144.51
233-4508	4.3L 90° with 18° raised port Head stud Kit with Hex Nuts and Undercut Threads	$140.56
233-4107	4.3L 90° with 18° standard port Head Stud Kit with Hex Nuts and Standard Threads	$132.22
233-4707	4.3L 90° with 18° standard port Head Stud Kit with 12-Point Nuts and Undercut Threads	$161.83
233-4307	4.3L 90° with 18° standard port Head Stud Kit with 12-Point Nuts and Standard Threads	$144.51
233-4507	4.3L 90° with 18° standard port Head stud Kit with Hex Nuts and Undercut Threads	$140.56
233-4104	4.3L 90° with Oldsmobile 14° heads Head Stud Kit with Hex Nuts and Standard Threads	$129.60
233-4704	4.3L 90° with Oldsmobile 14° heads Head Stud Kit with 12-Point Nuts and Undercut Threads	$169.23
233-4304	4.3L 90° with Oldsmobile 14° heads Head Stud Kit with 12-Point Nuts and Standard Threads	$148.21
233-4504	4.3L 90° with Oldsmobile 14° heads Head stud Kit with Hex Nuts and Undercut Threads	$145.89
233-4102	4.3L 90° with Pontiac raised runner Head Stud Kit with Hex Nuts and Standard Threads	$128.36
233-4702	4.3L 90° with Pontiac raised runner Head Stud Kit with 12-Point Nuts and Undercut Threads	$165.99
233-4302	4.3L 90° with Pontiac raised runner Head Stud Kit with 12-Point Nuts and Standard Threads	$140.70
233-4502	4.3L 90° with Pontiac raised runner Head stud Kit with Hex Nuts and Undercut Threads	$147.72
Part #	Chevrolet Big Block	Price
235-4203	NEW! 2001-2007 Chevrolet/GMC 8.1L (496 CID) Head Stud Kit ARP2000 head studs, 12 pt nuts	$371.99
135-4002	348, 409 Head Stud Kit with Hex Nuts and Standard Threads	$214.83
235-4202	348, 409 Head Stud Kit with 12-Point Nuts and Standard Threads	$210.02
235-4110	Bowtie Head Stud Kit with Hex Nuts and Standard Threads	$180.40
235-4310	Bowtie Head Stud Kit with 12-Point Nuts and Standard Threads	$188.01
235-4320	Brodix, 14.5° Head Stud Kit with 12-Point Nuts and Standard Threads	$245.36
235-4102	Brodix, -2, -4, 2x, 3x, Canfield, Holley, Big Duke Head Stud Kit with Hex Nuts and Standard Threads	$181.52
235-4702	Brodix, -2, -4, 2x, 3x, Canfield, Holley, Big Duke Head Stud Kit with 12-Point Nuts and Undercut Threads	$220.71
235-4302	Brodix, -2, -4, 2x, 3x, Canfield, Holley, Big Duke Head Stud Kit with 12-Point Nuts and Standard Threads	$210.83
235-4502	Brodix, -2, -4, 2x, 3x, Canfield, Holley, Big Duke Head stud Kit with Hex Nuts and Undercut Threads	$191.42
135-4302	Brodix, fits BB1 OEFI, 2, 2t, 2x, 2extra, 3, 4, 4extra, 5 heads, w/ Brodix aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$266.50
135-4301	Brodix, Sonny Lenard 14.5° Pro Stock head & PS head, w/ Brodix aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$252.87
135-4304	Brodix, w/ Big Duke/Big Chief heads, w/ Brodix aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$314.27
135-4303	Brodix, w/ Dart Pro 1 or 360 heads, Pro Top Line, w/ Brodix aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$266.50
135-4001	Cast OEM, Mark IV, aluminum factory heads, also early Bowtie Head Stud Kit with Hex Nuts and Standard Threads	$180.97
235-4601	Cast OEM, Mark IV, aluminum factory heads, also early Bowtie Head Stud Kit with 12-Point Nuts and Undercut Threads	$217.69
235-4201	Cast OEM, Mark IV, aluminum factory heads, also early Bowtie Head Stud Kit with 12-Point Nuts and Standard Threads	$207.78
235-4401	Cast OEM, Mark IV, aluminum factory heads, also early Bowtie Head stud Kit with Hex Nuts and Undercut Threads	$190.83
235-4112	Dart Big Chief Head Stud Kit with Hex Nuts and Standard Threads	$244.08
235-4712	Dart Big Chief Head Stud Kit with 12-Point Nuts and Undercut Threads	$283.64
235-4312	Dart Big Chief Head Stud Kit with 12-Point Nuts and Standard Threads	$273.41
235-4512	Dart Big Chief Head stud Kit with Hex Nuts and Undercut Threads	$254.33
235-4103	Late Bowtie, Dart Merlin, iron and aluminum Dart 360, Edelbrock, Dart Pro 1, AFR, Profiler 24° Head Stud Kit with Hex Nuts and Standard Threads	$182.25
235-4703	Late Bowtie, Dart Merlin, iron and aluminum Dart 360, Edelbrock, Dart Pro 1, AFR, Profiler 24° Head Stud Kit with 12-Point Nuts and Undercut Threads	$221.44
235-4303	Late Bowtie, Dart Merlin, iron and aluminum Dart 360, Edelbrock, Dart Pro 1, AFR, Profiler 24° Head Stud Kit with 12-Point Nuts and Standard Threads	$211.55
235-4503	Late Bowtie, Dart Merlin, iron and aluminum Dart 360, Edelbrock, Dart Pro 1, AFR, Profiler 24° Head stud Kit with Hex Nuts and Undercut Threads	$192.15
235-4106	long exhaust studs, ONLY 8 PIECES (with nuts and washers) Head Stud Kit with Hex Nuts and Standard Threads	$67.89
235-4306	long exhaust studs, ONLY 8 PIECES (with nuts and washers) Head Stud Kit with 12-Point Nuts and Standard Threads	$74.58
235-4114	Mark V, Gen 6 with Brodix/Canfield heads Head Stud Kit with Hex Nuts and Standard Threads	$174.47
235-4714	Mark V, Gen 6 with Brodix/Canfield heads Head Stud Kit with 12-Point Nuts and Undercut Threads	$204.27
235-4314	Mark V, Gen 6 with Brodix/Canfield heads Head Stud Kit with 12-Point Nuts and Standard Threads	$195.34
235-4514	Mark V, Gen 6 with Brodix/Canfield heads Head stud Kit with Hex Nuts and Undercut Threads	$183.40
235-4113	Mark V, Mark VI crate with Dart or AFR heads Head Stud Kit with Hex Nuts and Standard Threads	$173.00
235-4713	Mark V, Mark VI crate with Dart or AFR heads Head Stud Kit with 12-Point Nuts and Undercut Threads	$198.32
235-4313	Mark V, Mark VI crate with Dart or AFR heads Head Stud Kit with 12-Point Nuts and Standard Threads	$193.87
235-4513	Mark V, Mark VI crate with Dart or AFR heads Head stud Kit with Hex Nuts and Undercut Threads	$177.48
235-4108	Mark V, with Mark V heads or Edelbrock heads Head Stud Kit with Hex Nuts and Standard Threads	$178.18
235-4708	Mark V, with Mark V heads or Edelbrock heads Head Stud Kit with 12-Point Nuts and Undercut Threads	$216.95
235-4308	Mark V, with Mark V heads or Edelbrock heads Head Stud Kit with 12-Point Nuts and Standard Threads	$199.06
235-4508	Mark V, with Mark V heads or Edelbrock heads Head stud Kit with Hex Nuts and Undercut Threads	$182.63
235-4016	Merlin - World Head Stud Kit with Hex Nuts and Standard Threads	$179.94
235-4716	Merlin - World Head Stud Kit with 12-Point Nuts and Undercut Threads	$204.60
235-4316	Merlin - World Head Stud Kit with 12-Point Nuts and Standard Threads	$187.71
235-4109	Oldsmobile DRCE Head Stud Kit with Hex Nuts and Standard Threads	$204.91
235-4709	Oldsmobile DRCE Head Stud Kit with 12-Point Nuts and Undercut Threads	$249.60
235-4309	Oldsmobile DRCE Head Stud Kit with 12-Point Nuts and Standard Threads	$226.38
235-4509	Oldsmobile DRCE Head stud Kit with Hex Nuts and Undercut Threads	$215.16
235-4018	With Edelbrock Performer RPM heads, Pro Top Line Head Stud Kit with Hex Nuts and Standard Threads	$176.11
235-4718	With Edelbrock Performer RPM heads, Pro Top Line Head Stud Kit with 12-Point Nuts and Undercut Threads	$207.47
235-4318	With Edelbrock Performer RPM heads, Pro Top Line Head Stud Kit with 12-Point Nuts and Standard Threads	$197.44
235-4518	With Edelbrock Performer RPM heads, Pro Top Line Head stud Kit with Hex Nuts and Undercut Threads	$186.03
235-4019	With Edelbrock Victor heads Head Stud Kit with Hex Nuts and Standard Threads	$177.34
235-4719	With Edelbrock Victor heads Head Stud Kit with 12-Point Nuts and Undercut Threads	$207.91
235-4319	With Edelbrock Victor heads Head Stud Kit with 12-Point Nuts and Standard Threads	$199.29
235-4519	With Edelbrock Victor heads Head stud Kit with Hex Nuts and Undercut Threads	$186.35
135-4006	With GM aluminum block, 1/2 in. diameter Head Stud Kit with Hex Nuts and Standard Threads	$223.82
235-4706	With GM aluminum block, 1/2 in. diameter Head Stud Kit with 12-Point Nuts and Undercut Threads	$295.78
135-4206	With GM aluminum block, 1/2 in. diameter Head Stud Kit with 12-Point Nuts and Standard Threads	$277.29
235-4506	With GM aluminum block, 1/2 in. diameter Head stud Kit with Hex Nuts and Undercut Threads	$234.04
135-4005	With GM aluminum block, 7/16 in. diameter Head Stud Kit with Hex Nuts and Standard Threads	$195.64
235-4705	With GM aluminum block, 7/16 in. diameter Head Stud Kit with 12-Point Nuts and Undercut Threads	$238.70
135-4205	With GM aluminum block, 7/16 in. diameter Head Stud Kit with 12-Point Nuts and Standard Threads	$216.30
235-4505	With GM aluminum block, 7/16 in. diameter Head stud Kit with Hex Nuts and Undercut Threads	$205.88
235-4321	ZL1 Limited Edition, Chevy block 12370850 Head Stud Kit with 12-Point Nuts and Standard Threads	$306.44
Part #	Chevrolet Small Block	Price
234-4710	18° Chevy heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$245.95
234-4108	18° raised port Head Stud Kit with Hex Nuts and Standard Threads	$177.70
234-4708	18° raised port Head Stud Kit with 12-Point Nuts and Undercut Threads	$215.99
234-4308	18° raised port Head Stud Kit with 12-Point Nuts and Standard Threads	$205.27
234-4508	18° raised port Head stud Kit with Hex Nuts and Undercut Threads	$184.82
234-4107	18° standard port Head Stud Kit with Hex Nuts and Standard Threads	$177.70
234-4707	18° standard port Head Stud Kit with 12-Point Nuts and Undercut Threads	$215.99
234-4307	18° standard port Head Stud Kit with 12-Point Nuts and Standard Threads	$205.27
234-4507	18° standard port Head stud Kit with Hex Nuts and Undercut Threads	$184.82
234-4322	18° with 3/8 in. holes Head Stud Kit with 12-Point Nuts and Standard Threads	$233.95
234-4721	18° with raised intake 3/8 in. #10134363 and 64 Head Stud Kit with 12-Point Nuts and Undercut Threads	$220.79
234-4321	18° with raised intake 3/8 in. #10134363 and 64 Head Stud Kit with 12-Point Nuts and Standard Threads	$210.55
134-4001	23° OEM cast iron and aluminum Chevrolet, Gen III Vortec/Truck; LT1 Airflow Research, Brownfield; Brodix -8,-10,-11, Track I, Dart Sportsman and Dart II & most Edelbrock, Trick Flow Head Stud Kit with Hex Nuts and Standard Threads	$175.30
234-4601	23° OEM cast iron and aluminum Chevrolet, Gen III Vortec/Truck; LT1 Airflow Research, Brownfield; Brodix -8,-10,-11, Track I, Dart Sportsman and Dart II & most Edelbrock, Trick Flow Head Stud Kit with 12-Point Nuts and Undercut Threads	$209.99
234-4301	23° OEM cast iron and aluminum Chevrolet, Gen III Vortec/Truck; LT1 Airflow Research, Brownfield; Brodix -8,-10,-11, Track I, Dart Sportsman and Dart II & most Edelbrock, Trick Flow Head Stud Kit with 12-Point Nuts and Standard Threads	$206.40
234-4401	23° OEM cast iron and aluminum Chevrolet, Gen III Vortec/Truck; LT1 Airflow Research, Brownfield; Brodix -8,-10,-11, Track I, Dart Sportsman and Dart II & most Edelbrock, Trick Flow Head stud Kit with Hex Nuts and Undercut Threads	$185.18
234-4015	7/16 in.-3/8 in. stepped Head Stud Kit with Hex Nuts and Standard Threads	$193.96
234-4315	7/16 in.-3/8 in. stepped Head Stud Kit with 12-Point Nuts and Standard Threads	$215.72
234-4123	Aluminum Block with Brodix -12 & 12x heads Head Stud Kit with Hex Nuts and Standard Threads	$177.82
234-4213	Aluminum Bowtie splayed bolt head Head Stud Kit with 12-Point Nuts and Standard Threads	$227.09
234-4725	Bowtie Block with 14° Pro Action head Head Stud Kit with 12-Point Nuts and Standard Threads	$240.84
234-4723	Bowtie cast iron and aluminum block with Brodix 12 Weld-Tech Head Stud Kit with 12-Point Nuts and Undercut Threads	$230.80
234-4711	Brodix canted valves, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$243.09
234-4311	Brodix, -12 rollover (angle mill) Head Stud Kit with 12-Point Nuts and Standard Threads	$176.52
234-4103	Brodix, -12, and Brodix 18° Head Stud Kit with Hex Nuts and Standard Threads	$178.13
234-4703	Brodix, -12, and Brodix 18° Head Stud Kit with 12-Point Nuts and Undercut Threads	$224.39
234-4303	Brodix, -12, and Brodix 18° Head Stud Kit with 12-Point Nuts and Standard Threads	$209.25
234-4503	Brodix, -12, and Brodix 18° Head stud Kit with Hex Nuts and Undercut Threads	$193.90
234-4310	Brodix, 18° rollover Head Stud Kit with 12-Point Nuts and Standard Threads	$190.66
134-4306	Brodix, All Pro heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$307.15
234-4312	Brodix, canted valve Head Stud Kit with 12-Point Nuts and Standard Threads	$198.75
134-4308	Brodix, w 12/18° Brodix head, 7/16 in. studs, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$233.83
134-4307	Brodix, w/ 12/18° WT/Clone Brodix head 3/8 ctr bolt holes, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$268.19
134-4302	Brodix, w/ 12x, 12RP/GB2000 heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$269.49
134-4303	Brodix, w/ 23° head, production style heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$233.13
134-4301	Brodix, w/ -8, 10, 11, 11x, Track 1 heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$233.07
134-4305	Brodix, w/ BD1010 & BD2000 heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$318.38
134-4304	Brodix, w/ Brodix Weld-Tech Jones GB2200 heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$340.95
134-4309	Brodix, w/ Weld-Tech Jones GB2300 heads, w/ Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$417.67
234-4106	Brodix-Pontiac raised port Head Stud Kit with Hex Nuts and Standard Threads	$175.02
234-4706	Brodix-Pontiac raised port Head Stud Kit with 12-Point Nuts and Undercut Threads	$213.75
234-4306	Brodix-Pontiac raised port Head Stud Kit with 12-Point Nuts and Standard Threads	$214.70
234-4506	Brodix-Pontiac raised port Head stud Kit with Hex Nuts and Undercut Threads	$190.51
234-4105	Brodix-Pontiac standard port Head Stud Kit with Hex Nuts and Standard Threads	$176.59
234-4705	Brodix-Pontiac standard port Head Stud Kit with 12-Point Nuts and Undercut Threads	$213.75
234-4305	Brodix-Pontiac standard port Head Stud Kit with 12-Point Nuts and Standard Threads	$207.94
234-4505	Brodix-Pontiac standard port Head stud Kit with Hex Nuts and Undercut Threads	$192.26
234-4109	Dart II, Brodix Track I, 23° Pro Action, Iron Eagle II, iron block Head Stud Kit with Hex Nuts and Standard Threads	$170.21
234-4709	Dart II, Brodix Track I, 23° Pro Action, Iron Eagle II, iron block Head Stud Kit with 12-Point Nuts and Undercut Threads	$215.99
234-4309	Dart II, Brodix Track I, 23° Pro Action, Iron Eagle II, iron block Head Stud Kit with 12-Point Nuts and Standard Threads	$205.27
234-4509	Dart II, Brodix Track I, 23° Pro Action, Iron Eagle II, iron block Head stud Kit with Hex Nuts and Undercut Threads	$184.82
134-4002	Dart Sportsman, .950, coarse thread Head Stud Kit with Hex Nuts and Standard Threads	$177.11
234-4602	Dart Sportsman, .950, coarse thread Head Stud Kit with 12-Point Nuts and Undercut Threads	$211.59
234-4332	Dart Sportsman, .950, coarse thread Head Stud Kit with 12-Point Nuts and Standard Threads	$202.53
234-4402	Dart Sportsman, .950, coarse thread Head stud Kit with Hex Nuts and Undercut Threads	$188.53
234-4323	Dart, 18° Head Stud Kit with 12-Point Nuts and Standard Threads	$206.40
234-4036	Dart, 18° II Generation steel block Head Stud Kit with Hex Nuts and Standard Threads	$194.61
234-4336	Dart, 18° II Generation steel block Head Stud Kit with 12-Point Nuts and Standard Threads	$209.43
234-4102	Dart, Buick Head Stud Kit with Hex Nuts and Standard Threads	$168.59
234-4702	Dart, Buick Head Stud Kit with 12-Point Nuts and Undercut Threads	$217.71
234-4302	Dart, Buick Head Stud Kit with 12-Point Nuts and Standard Threads	$199.73
234-4502	Dart, Buick Head stud Kit with Hex Nuts and Undercut Threads	$184.74
234-4104	Dart, Oldsmobile 14° Head Stud Kit with Hex Nuts and Standard Threads	$179.75
234-4704	Dart, Oldsmobile 14° Head Stud Kit with 12-Point Nuts and Undercut Threads	$226.38
234-4304	Dart, Oldsmobile 14° Head Stud Kit with 12-Point Nuts and Standard Threads	$211.09
234-4504	Dart, Oldsmobile 14° Head stud Kit with Hex Nuts and Undercut Threads	$195.73
234-4334	Pro Action 14° Head Stud Kit with 12-Point Nuts and Standard Threads	$192.39
234-4335	Pro Action 14° Tall Deck Head Stud Kit with 12-Point Nuts and Standard Threads	$192.39
234-4433	Pro Action head Head Stud Kit with 12-Point Nuts and Undercut Threads	$221.09
234-4333	Pro Action head Head Stud Kit with 12-Point Nuts and Standard Threads	$192.39
234-4722	SB2 Head Stud Kit with 12-Point Nuts and Undercut Threads	$214.63
134-4310	SB2, Brodix, Rodeck aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$215.08
234-4724	SB2-2 7/16 in. block w/ 220 ksi Head Stud Kit with 12-Point Nuts and Standard Threads	$289.75
300-4202	SB2-2 3/8 in. block w/ 220 ksi Head Stud Kit with 12-Point Nuts and Standard Threads	$481.68
300-4201	SB2-2 3/8 in. block w/ 260 ksi Head Stud Kit with 12-Point Nuts and Standard Threads	$789.81
234-4110	LS1 & LS6 Gen III 4.8, 5.3 and 6.0L Head Stud Kit with Hex Nuts and Standard Threads	$297.44
234-4316	LS1 & LS6 Gen III 4.8, 5.3 and 6.0L Head Stud Kit with 12-Point Nuts and Standard Threads	$324.23
234-4317	LS1 & LS6 w/ all same length studs, 2004, Pro Series Head Stud Kit with 12-Point Nuts and Standard Threads	$287.98
234-4324	SBC w/ -12 aluminum block Head Stud Kit with 12-Point Nuts and Standard Threads	$204.55
234-4720	with Bowtie aluminum and cast block, .950, coarse thread Head Stud Kit with 12-Point Nuts and Undercut Threads	$231.67
234-4320	with Bowtie aluminum and cast block, .950, coarse thread Head Stud Kit with 12-Point Nuts and Standard Threads	$216.78
Part #	Chevrolet Diesel	Price
230-4201	Chevy Duramax '01-'04 1/2 (LB-7), '04-Present (LLY) Head Stud Kit with 12-Point Nuts and Standard Threads	$593.45
130-4062	Chevy/GMC 6.2L, M12 Head Stud Kit with Hex Nuts and Standard Threads	$177.94

ARP studs are thread rolled after heat-treat, which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because it's tough on tooling, but the results are well worth the extra effort.

You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the "stretch" of both studs, which makes for a more consistent clamping force - and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing!

Premium quality heat-treated 8740 chrome moly steel head stud kits are available for most every 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.

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