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Autocross/Hillclimbs
 
Join Date: Oct 2012
Location: Wilsonville OR
Posts: 1,067
Garage
ARP head studs for 2.7/2.5 head on 3.0 block

Anyone who has shopped for ARP studs for their build is sad to find that ARP doesn't make them for the 2.7L, which means any build involving a 2.7/2.5L head on a 3.0 block.
But, they DO have some that fit, they just don't list them for the 944!

I present you... ARP part number 244-4300 "Pro Series, 12-Point Heads, Chrysler, Dodge, 5.7, 6.1, 6.4L, Kit"
What this grants you is 20 head studs, nuts, washers, and a slew of other hardware that you don't need for around $350-400.
Yes, that's double the number of studs you need.

They are 155mm in length, which will not fit 16v heads on 3L blocks, nor 8V heads on 2.5 blocks. The factory 2.7L stud is 148mm. There is no necessity for these to be slightly longer, but the threaded portion begins at the same point, making the extra length irrelevant.
Here is a picture comparing the ARP stud to a factory 2.7 stud.




__________________
2x 1984 944 N/A; 1988 951S Silver Rose; 81 VW Rabbit Diesel; MK4 VW R32
President - Bridge City Autosports
http://www.bcautosports.club

Last edited by PDX-944; 08-14-2018 at 06:46 AM..
Old 08-10-2018, 10:30 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
Registered
 
Join Date: Sep 2016
Location: CA Citrus Heights
Posts: 549
Garage
These fit great!

I know it is an old post. But deserves to be resurrected
These studs fit great!
Currently do not have the headhasket installed. The large heavy washer is a Billet set up.





__________________
1982 924 *Audi V8 Swap In Progress*1985.5 944 NA *3.0L 16V swapped* 1987 944 Turbo *3.0l 8V*.
1987 944 NA 1991 944S2 2001 VW Passat, *Built 1.8T* 1985.5 944NA Sold to younger brother
1983 944NA Gave to my Dad for being Awesome.
Old 02-22-2022, 09:50 PM
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