Will this work on a 02 civic EM2?

probably not. bolt lengths are different

Will this fit Toyota Prius 1.8 l engine no

No. Put in your auto information for the ARP STUD it will give you the correct one.

Hey can these fit zc sohc i hear they or family to the d16ys

ARP lists these to fit the D16Y engines, not the D16A engines.

Why don’t they come with lifetime warranty? This is arp right?

This item is an ARP product and all warranty claims go through ARP directly.

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ARP 2084305 High Performance 12-Point Cylinder Head Stud Kit

Product ID: 30899294

Details

Exterior Finish
Painted
Head Style
12-point
Manufacturer Grade
premium
Material
Cold-forged
Thread Size
0.625 inches

🎯Precisely centerless ground for perfect alignment

🔩Grade 8740 premium alloy steel

⚙️Heat-treated to 200,000 psi tensile strength

₨95949

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Description

🔧 Lock in legendary performance with ARP’s precision-engineered studs!

PRECISION PERFECT FIT - Centerless ground studs ensure flawless cylinder head alignment every time.
RACE PROVEN DURABILITY - Engineered from cold-forged Grade 8740 alloy for unmatched strength and longevity.
ULTIMATE CLAMPING FORCE - Thread rolled post heat-treat for 10x better fatigue resistance, preventing gasket failures.
OPTIMIZED FOR HIGH PERFORMANCE - Special undercut studs balance stretch for consistent sealing under boost or nitrous.
MADE IN THE USA TRUSTED WORLDWIDE - Crafted with exacting standards, favored by top Sport Compact racers and engine builders.

The ARP 2084305 High Performance 12-Point Cylinder Head Stud Kit is a vehicle-specific upgrade for Honda D16Y engines, crafted from premium Grade 8740 cold-forged alloy steel. Heat-treated to an impressive 200,000 psi tensile strength and centerless ground for perfect concentricity, these studs deliver superior clamping force and durability. Thread rolled after heat treatment, they offer 10x better fatigue resistance, ensuring optimal head gasket sealing under high compression or forced induction setups. Made in the USA and trusted by professional racers, this kit guarantees precision fit and long-lasting engine reliability.

Specifications

ASIN	B000CFS2DK
Best Sellers Rank	#172,512 in Automotive ( See Top 100 in Automotive ) #39 in Automotive Performance Engine Parts
Brand	ARP
Color	Black
Compatible Groove Diameter	0.65 inches
Customer Reviews	4.9 4.9 out of 5 stars (150)
Drive System	Front-Wheel Drive
Exterior Finish	Painted
Fastener Size	0.625 inches
Fastener Type	Stud Bolt
Finish Types	Black oxide
Global Trade Identification Number	00672036030155
Grade Rating	Grade 8740
Head Type	Honda D16Y
Included Components	Head Stud & Bolt Kits
Item Diameter	0.44 inches
Item Hardness	Grade 8740
Item Type Name	Head Stud & Bolt Kits
Item Weight	2 pounds
Manufacturer	ARP
Manufacturer Grade	premium
Material Type	Cold-forged Alloy Steel
Maximum Shear Strength	90 ksi
Metal Type	Alloy Steel
Model	2084305
Number Of Items	1
Number of Packs	1
Number of Pieces	12
Part Number	2084305
Screw Head Style	12-point
Screw Point Style	12-Point
Set Name	Kit
Set Screw Thread Type	UNC
Size Name	0.625 inches UNC
Thread Class	2A
Thread Coverage	Fully Threaded
Thread Size	0.625 inches
Thread Style	Right Hand
Thread Type	Unc
UPC	672036030155
Unit Count	1 Count
Warranty Description	Manufacturer Warranty

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₨95949

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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