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SKU: 234-7207 | UPC: 672036042684
ARP Pro Series Rocker Arm Studs for SBC GEN III/IV LS Series (non adjustable), excluding LS7 1997-2007 GM Vehicles
ARP Pro Series rocker arm studs deliver exact fitment for Small Block Chevy Gen III/IV LS series engines with non-adjustable rockers, covering 1997-2007 GM performance vehicles like Corvette, Camaro and trucks, excluding LS7. Precision concentric design eliminates stud wobble for consistent rocker geometry across cylinders. Heat-treated 8740 chrome moly construction provides 190,000 psi tensile strength to handle high-rpm competition demands.
Key Features
- Material Strength: 8740 chrome moly steel heat-treated to 190,000 psi tensile for extreme durability in racing applications
- Concentric Precision: Held to 0.005 T.I.R. thread pitch to thread pitch ensuring straight run-in and uniform rocker alignment
- Base Design: Extra-large radius base increases resistance to flex under high valve spring pressures
- Exact Lengths: Manufactured to precise dimensions for positive seating in cylinder heads every time
- Finish and Origin: Black oxide coating for corrosion protection, made in USA
Product Notes
- Not compatible with OEM-style self-locking nuts. requires ARP patented Perma-Loc adjusters
- Intended for competition use with non-adjustable rocker arms on cathedral port LS heads
- Set includes studs for complete cylinder head installation
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using proper lubricant for accurate seating
- Use only with ARP Perma-Loc adjusters. incompatible with OEM self-locking nuts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Chevrolet | Corvette | Base, Z06, 35th Anniversary, 50th Anniversary |
| 1998-2002 | Chevrolet | Camaro | Z28, SS |
| 1998-2002 | Pontiac | Firebird | Formula, Trans Am |
| 2004-2006 | Pontiac | GTO | Base |
| 2005-2007 | Chevrolet | Corvette | Base |
| 2003-2006 | Chevrolet | SSR | Base |
| 1999-2007 | Chevrolet | Silverado 1500 | 5.3L, 6.0L |
| 1999-2007 | GMC | Sierra 1500 | 5.3L, 6.0L |
| 2002-2006 | Chevrolet | TrailBlazer EXT | 5.3L |
Why Choose ARP?
- Trusted by professional racers in NHRA, NASCAR and drag racing
- Every fastener rigorously tested for strength and consistency
- Engineered and machined in USA for reliable performance
Frequently Asked Questions
-
Q: Will these fit LS7 engines?
A: No, designed for Gen III/IV LS1/LS2/LS6 cathedral port heads with non-adjustable rockers, excluding LS7 rectangular port -
Q: What material and strength rating?
A: Premium 8740 chrome moly steel heat-treated to 190,000 psi tensile strength with black oxide finish -
Q: What is the warranty?
A: Limited manufacturer warranty against defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure box 6.2 x 4.1 x 1.4 inches
- Weight: 0.70 lbs
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