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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
PacBrake HP10245 PacPro Spring Kit with 12 HD Valve Springs 94-98 Dodge 5.9L CumminsDo you tow heavy and need better throttle response out of your 12 valve? No problem with this simple kit from PacBrake. This kit includes twelve heavy duty valve springs and a governor spring kit to allow your P7100 injection pump to spin up to 4000 RPM. Heavy duty valve springs are Cummins OEM 3916691 white strip springs. The 60lbs spring is required for exhaust brake applications and is suggested for all governor spring installs. Governor spring
Do you tow heavy and need better throttle response out of your 12 valve? No problem with this simple kit from PacBrake. This kit includes twelve heavy duty valve springs and a governor spring kit to allow your P7100 injection pump to spin up to 4000 RPM. Heavy duty valve springs are Cummins OEM 3916691 white strip springs. The 60lbs spring is required for exhaust brake applications and is suggested for all governor spring installs. Governor spring kits allow the Bosch P7100 to spin the engine RPM up to 4000 RPM. Each kit comes complete with parts for either 3000 or 4000 RPM.PacPro spring kits are perfect for those who tow heavy loads and want more responsive power.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 1616 reviews
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Product Reviews
★★★★★ 5
Near OEM quality at 1/4 cost
Near OEM performance at 25% of the cost! Bosch Quality replaced NGKs/Toyota OEMs. Great value and now the engine is running smoothly! I have seen a slight improvement in my mpg @1mpg overall in mixed driving conditions.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Very Expensive
Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
A reliable set of spark plugs.
They’re made in Germany, what else can you say
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Work as well as the NGK's
Bought for a 2016 Mazda 6, I had NGK's in it for 5 months and had misfires, didnt have the money to throw more NGK's at it for troubleshooting. Bought these to try and they work great so far.
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Reviewed in the United States on April 29, 2026
★★★★★ 4
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them.
The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine.
Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.
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Reviewed in the United States on April 27, 2026
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