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Complete racing valve spring kit with progressively wound, heat-treated and shot-peened springs. Fits one engine; ready to install.
Precision CNC locating pins for engine head alignment. Made in the USA.
Short valve guide accepts high-lift cams, machined for 0.530" seals. Made in the USA.
Precision 12-point external engine fastener kit with moly assembly lubricant. Tensile strength rated 170,000 psi. Not for '23 models with 121" VVT motors.
Easy to ream; accepts up to 0.655" lift cams; machined for 0.530" seals; made in USA.
Precision-rolled threads reduce galling and ensure consistent torque loading.
Wide underhead flange for even load distribution and improved sealing.
170,000 psi tensile strength; stronger than OEM and grade 8.
Includes moly assembly lubricant and is manufactured to Feuling® specs by ARP®.
Not for use on '23 models with 121" VVT motors.
Shortened manganese bronze valve guide, machined for 0.530" seals; fits up to 0.655" lift cams. Made in USA.
- Tensile strength rated at 170,000 psi for superior holding power
- Precision rolled threads to prevent galling and ensure consistent torque
- Wide underhead flange for even load distribution and improved sealing
- Includes moly assembly lubricant
- Made in the USA; not for '23 models with 121\" VVT motors
Complete 12-point external primary and transmission fastener kit with moly lubricant; high tensile strength rated at 170,000 psi.
- Precision-rolled threads for consistent torque and reduced galling.
- Wide under-head flange for even load distribution and reliable sealing.
- Tensile strength rated at 170,000 psi — stronger than OEM and grade 8.
- Includes moly assembly lubricant; made in the USA.
- Not for 2023 models with 121" VVT motors.
- Tensile strength 170,000 psi for superior performance.
- Precision rolled threads and wide underhead flange for reliable sealing.
- Includes moly assembly lubricant; made in the USA. Not for '23 models with 121" VVT motors.
- Precision-rolled threads for consistent torque
- Wide underhead flange for improved sealing
- 170,000 psi tensile strength; stronger than OEM and grade 8
- Includes moly assembly lubricant; made in USA
- Not for '23 models with 121" VVT motors
 
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