525 efi valve springs

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10-08-2017, 09:13 PM

#11

MikeScarab28XLT

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2017, any better ore other OEM spring sets for the 525 efi available ? Thank´s for any help.

Are the comp cams sping set 929-16 a set i can use on 525 efi gen2 engine stock power ?

10-08-2017, 10:10 PM

#12

1MOSES1

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Quote:

Originally Posted by MikeScarab28XLT

2017, any better ore other OEM spring sets for the 525 efi available ? Thank´s for any help.

Are the comp cams sping set 929-16 a set i can use on 525 efi gen2 engine stock power ?

everyone is still using isky tool springs. Atleast in all my reading and research. Others can chime in.

10-09-2017, 08:19 AM

#13

VoodooRob

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Agree with HyFive, we used the same parts and used Johnson lifters. "Isky 8005A springs and change retainers and locks to 10 degree to get 1.850 installed height."

10-09-2017, 08:36 AM

#14

obnoxus

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+ 1 for PAC,,,, thats what Merc uses

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10-09-2017, 08:38 AM

#15

F-2 Speedy

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Quote:

Originally Posted by VoodooRob

Agree with HyFive, we used the same parts and used Johnson lifters. "Isky 8005A springs and change retainers and locks to 10 degree to get 1.850 installed height."

++ agree
Isky Racing Cams 8005-A Dual Valve Springs 1.530 in. 400lbs | eBay