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  #1  
Old September 5th, 2025, 02:25 AM
GMCAUS GMCAUS is offline
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Default D478 Toro Flow
Hey all would anyone happen to know the specs of the Toro Flow D478 head bolts?
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Old September 6th, 2025, 06:33 AM
BobBray BobBray is offline
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Default Re: D478 Toro Flow
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Originally Posted by GMCAUS View Post
Hey all would anyone happen to know the specs of the Toro Flow D478 head bolts?
The torque is 125-135 ft. lbs.. There are 14 head bolts in each head, all are 9/16-12. 5 4-61/64" long (part #2448983), 6 1-55/64" long (part #2448973), and 3 3-61/64" long (part #2453406).
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Old September 6th, 2025, 08:19 AM
GMCAUS GMCAUS is offline
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Default Re: D478 Toro Flow
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Originally Posted by BobBray View Post
The torque is 125-135 ft. lbs.. There are 14 head bolts in each head, all are 9/16-12. 5 4-61/64" long (part #2448983), 6 1-55/64" long (part #2448973), and 3 3-61/64" long (part #2453406).
Thanks for your help mate. you do you know if the bolts are torque to yield or if they are reusable?
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Old September 7th, 2025, 02:37 AM
BobBray BobBray is offline
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Default Re: D478 Toro Flow
I believe they are reuseable.
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