Engine Kits

ARP Main Bolt Kits

ARP main bolts are far superior to any other main bolt kit offered for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders.
ARP main bolts are Forged from 8740 chrome moly, all bolts feature generous under-head radius and rolled threads for the utmost reliability. The threads are rolled after heat treating, which gives them about 1000% longer fatigue life than most main bolts, which are threaded prior to heat-treating.

ARP main bolts are available in the popular High Performance Series, which, at a nominal rating of 180,000 psi, is a premium replacement for OEM fasteners, or the 200,000 psi nominal rated Pro Series, application-specific main bolts with reduced wrenching head and are designed for use in competition applications.

ARP provides Parallel-ground, hardened washers that are included with each kit.

 


This product is in the following categories:

HomeBolt Kits, Studs, FastenersMain Studs and Main Bolts

Manufacturer:

ARP Bolts

Part #: 123-5201

ARP High Performance Buick V6 Stage I 4 Bolt Main Kit, ARP Main Bolts 123-5201
Price: $52.00
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Part #: 123-5202

Buick V6 Stage II, High Performance, ARP Main Bolts 123-5202
Price: $50.13
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Part #: 125-5201

Buick 455 cid, 2 bolt main, High Performance, ARP Main Bolts 125-5201
Price: $71.99
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Part #: 134-5001

Chevy Small Block Large journal, 2 bolt main, High Performance, ARP Main Bolts 134-5001
Price: $27.99
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Part #: 134-5002

Chevy Small Block Small journal, 2 bolt main, High Performance, ARP Main Bolts 134-5002
Price: $38.99
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Part #: 134-5202

Chevy Small Block Large journal, 4 bolt main, High Performance, ARP Main Bolts 134-5202
Price: $56.99
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Part #: 135-5002

Chevy Big Block 396-402-427-454 cid, 2 bolt main, ARP Main Bolts 135-5002
Price: $44.99
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Part #: 135-5201

Chevy Big Block 396-402-427-454-502 cid, 4 bolt main, High Performance, ARP Main Bolts 135-5201
Price: $78.99
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Part #: 140-5001

Chrysler 318-440 Wedge, 2 bolt main, High Performance, ARP Main Bolts 140-5001
Price: $44.99
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Part #: 145-5201

Chrysler 426 Hemi, 2 bolt main with cross bolts, High Performance, ARP Main Bolts 145-5201
Price: $82.99
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Part #: 154-5001

Ford Small Block 289-302 cid, 2 bolt main, High Performance, ARP Main Bolts 154-5001
Price: $50.99
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Part #: 154-5003

Ford Small Block 351 Windsor, 2 bolt main, High Performance, ARP Main Bolts 154-5003
Price: $57.99
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Part #: 154-5004

Ford Small Block 351 Cleveland, 351-400M, 2 bolt main, High Performance, ARP Main Bolts 154-5004
Price: $54.99
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Part #: 154-5201

Ford Small Block 289-302 cid, 4 bolt main, High Performance, ARP Main Bolts 154-5201
Price: $70.99
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Part #: 154-5203

Ford Small Block 351 Windsor, 4 bolt main, High Performance, ARP Main Bolts 154-5203
Price: $76.71
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Part #: 154-5204

Ford Small Block 351 Cleveland, 4 bolt main, High Performance, ARP Main Bolts 154-5204
Price: $87.99
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Part #: 155-5201

Ford Big Block 390-428 cid FE Series, High Performance, ARP Main Bolts 155-5201
Price: $70.99
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Part #: 155-5202

Ford Big Block 429-460 cid, High Performance, ARP Main Bolts 155-5202
Price: $71.99
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Part #: 184-5001

Oldsmobile 350-403 cid, 2 bolt main, High Performance, ARP Main Bolts 184-5001
Price: $43.99
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Part #: 185-5001

Oldsmobile 455 cid, 2 bolt main, High Performance, ARP Main Bolts 185-5001
Price: $47.99
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Part #: 203-5001

Toyota 1.6L (4AGE) Double Overhead Cam, Pro Series, ARP Main Bolts 203-5001
Price: $43.00
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Part #: 205-5001

Holden 308 cid, High Performance, ARP Main Bolts 205-5001
Price: $30.71
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Part #: 206-5001

MGB 2 Cap Main, Pro Series, ARP Main Bolts 206-5001
Price: $45.28
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Part #: 206-5002

MGB 5 Cap Main, Pro Series, ARP Main Bolts 206-5002
Price: $73.16
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Part #: 233-5201

Chevy 6-cylinder 90 deg. V6, 4 bolt main, Pro Series, ARP Main Bolts 233-5201
Price: $70.56
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Part #: 233-5203

Chevy 6-cylinder 90 deg. V6, 4 bolt main with 1/2" straps on F&R caps, Pro Series, ARP Main Bolts 233-5203
Price: $70.88
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Part #: 234-5201

Chevy Small Block Large journal, 4 bolt main (12pt), Pro Series, ARP Main Bolts 234-5201
Price: $107.99
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Part #: 234-5203

Chevy Small Block Large journal, 4 bolt with 1/2" straps on F&R caps, Pro Series, ARP Main Bolts 234-5203
Price: $94.43
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Part #: 253-5201

Ford 6-cylinder 4.5L SVO inline valve V6, Pro Series, ARP Main Bolts 253-5201
Price: $84.73
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Part #: 254-5202

Ford Small Block SVO 351 cid, 4 bolt main, 3/8" outer bolts, Pro Series, ARP Main Bolts 254-5202
Price: $148.62
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Part #: 254-5203

Ford Small Block SVO 351 cid, 4 bolt main, 7/16" outer bolts, Pro Series, ARP Main Bolts 254-5203
Price: $146.39
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Part #: 260-5401

Subaru 2.0L, 2.2L & 2.5L Single Overhead Cam/Double Overhead Cam EJ Series Crankcase thru bolt kit, Pro Series, ARP Main Bolts 260-5401
Price: $398.97
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Part #: Main Bolt Tech

Tech Tips for Main and Head bolts installation by ARP Automotive Racing Products.
Price: CALL
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