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Keith Black piston part numbe help please #1564621 01/17/14 06:54 PM 01/17/14 06:54 PM
Joined: Oct 2008 Posts: 1,015 Down South DaKuda OP super stock
DaKuda OP super stock Joined: Oct 2008 Posts: 1,015 Down South	Have a set of new pistons on the shelf that I can't identify the part number is KB 825 which doesn't pull anything up any of you guys know what they are I know they are a big block Mopar I think they go to a 470 but not sure??

Re: Keith Black piston part numbe help please [Re: DaKuda] #1564622 01/17/14 06:59 PM 01/17/14 06:59 PM
Joined: Jan 2003 Posts: 15,439 Val-haul-ass... eventually B BradH Taking time off to work on my car
BradH Taking time off to work on my car B Joined: Jan 2003 Posts: 15,439 Val-haul-ass... eventually	Do they look like any of these under the Icon series? http://www.cnc-motorsports.com/catalogsearch/result/?q=Ic+825

Re: Keith Black piston part numbe help please [Re: BradH] #1564623 01/17/14 07:08 PM 01/17/14 07:08 PM
Joined: Oct 2008 Posts: 1,015 Down South DaKuda OP super stock
DaKuda OP super stock Joined: Oct 2008 Posts: 1,015 Down South	Yes they look similar to those what threw me off is it says they have an over bore of .033??

Re: Keith Black piston part numbe help please [Re: DaKuda] #1564624 01/17/14 07:12 PM 01/17/14 07:12 PM
Joined: Jan 2003 Posts: 15,439 Val-haul-ass... eventually B BradH Taking time off to work on my car
BradH Taking time off to work on my car B Joined: Jan 2003 Posts: 15,439 Val-haul-ass... eventually	Low-block pistons: OEM 400 standard bore of 4.342" + .033" = 4.375", rather than OEM 440 standard bore of 4.320 + .055" to get to same 4.375".

Re: Keith Black piston part numbe help please [Re: DaKuda] #1564625 01/17/14 07:13 PM 01/17/14 07:13 PM
Joined: Jan 2011 Posts: 4,785 Utah and Alaska astjp2 master
astjp2 master Joined: Jan 2011 Posts: 4,785 Utah and Alaska	Quote: Have a set of new pistons on the shelf that I can't identify the part number is KB 825 which doesn't pull anything up any of you guys know what they are I know they are a big block Mopar I think they go to a 470 but not sure?? Jeep 4.0 inline 6, used in stroker motors a lot. I use H802cp's and the 825 should be h825CP. Tim 1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta I didn't do 4 years and 9 months of Graduate School to be called Mister!

Re: Keith Black piston part numbe help please [Re: BradH] #1564626 01/17/14 07:24 PM 01/17/14 07:24 PM
Joined: Oct 2008 Posts: 1,015 Down South DaKuda OP super stock
DaKuda OP super stock Joined: Oct 2008 Posts: 1,015 Down South	Quote: Low-block pistons: OEM 400 standard bore of 4.342" + .033" = 4.375", rather than OEM 440 standard bore of 4.320 + .055" to get to same 4.375". so is that a common piston size for a 470?

Re: Keith Black piston part numbe help please [Re: DaKuda] #1564627 01/17/14 08:42 PM 01/17/14 08:42 PM
Joined: Nov 2010 Posts: 1,397 Carson City, Nevada Biginchmopar pro stock
Biginchmopar pro stock Joined: Nov 2010 Posts: 1,397 Carson City, Nevada	First thing first, The KB number is now a IC number no change in the piston. Second the most comon 470 is the low deck (400) 4.342 + .033 =4.3752" bore x 3.900" stroke. The actually size is 469CID. Go here: https://www.uempistons.com/index.php?mai...31e2c4e580ad271 Last edited by Biginchmopar; 01/17/14 08:45 PM.

Re: Keith Black piston part numbe help please [Re: Biginchmopar] #1564628 01/17/14 08:58 PM 01/17/14 08:58 PM
Joined: Oct 2008 Posts: 1,015 Down South DaKuda OP super stock
DaKuda OP super stock Joined: Oct 2008 Posts: 1,015 Down South	thanks guys

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