Product Summary

Hex Wrench Type, Bolt Fastener Style, Black Oxide

  • Specifically designed for Big Block Chevy applications
  • Kits comes with the necessary hardened parallel-ground washers
  • Will fit Flo Tech aluminum heads and others with raised runners
  • The wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing
  • All bolts are 180,000 psi (which is 15% stronger than Grade 8)
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Key Specs

MFG. Part #135-3603
BrandARP
Fastener StyleBolt
Thread Pitch7/16-14
See more specs

Need To Know

Quick and Easy Returns

Return Policy

ARP 135-3603 Details

High Performance head bolts are available with a reduced wrenching hex or 6-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing.  All High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.  Fits 396, 402, 427 and 454 B/B Chevy with Iron & Aluminum Dart and other raised runner cylinder heads.

  • Big Block Chevy
  • Fits Flo Tech aluminum heads and others with raised runners

ARP 135-3603 Specifications

KEY SPECS
MFG. Part #135-3603
BrandARP
Fastener StyleBolt
Thread Pitch7/16-14
GENERAL
Wrench TypeHex
Head Style6 Point
Sold in QuantitySet
FinishBlack Oxide
ColorBlack
Material TypeSteel
GTIN Code672036002213

Ratings & Reviews

5

2 Reviews

Overall Assessment

Customers appreciate the excellent quality of our hardware kit, highlighting its completeness - including all necessary bolts, washers, and high-pressure lube. The kit's bolts have been tested on aluminum Flotek heads on bbc 454 and praised for their reusable quality, eliminating fears of overstretch. It stands out for being worth a few extra dollars over stock bolts. Minor mishaps like incorrect parts for Dart Pro 1 heads were addressed but this doesn't change the overall product value. The product's assured performance and superior quality set it apart from competitors.

5

2 reviews

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A great quality hardware

5.0

7 months ago

Dad's 50

Glenrock WY

Verified

Bolted on aluminum Flotek heads on bbc 454, this kit comes with all the necessary bolts, washers and high pressure lube for both sides also if properly installed can be reused without the fear of over stretch of bolts worth the few extra dollars over stock bolts

Would Recommend

wrong bolts for Dart Pro 1

5.0

10 years ago

Hipper

Kansas

Verified

Great product, Just a warning if you have Dart Pro 1 heads this is the wrong kit call ARP and get correct part number. Dart redesigned the heads but haven't updated there website. Arp was awesome called them and they sent out two bolts to fix it without charge even thou it wasn't there fault.

Would Recommend

Showing 2 of 2 reviews

Questions & Answers

Fitment

  • 396 Chevy Big Block V8

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  • 427 Chevy Big Block V8

  • 402 Chevy Big Block V8

  • 454 Chevy Big Block V8

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  • 396 Chevy Big Block V8

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Customer Impersonation Script