Description
Main Stud KitSmall Block Chevy 3504-Bolt Style190,000 psiIncludes 12-Point Nuts, Washers Speedmaster engine studs are premium-grade, race-quality studs that are created from aircraft quality 8740 high tensile strength chromoly steel, withstanding up to 190,000 PSI .They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners. This ensures strength and consistent torque readings. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength 12-point nuts.
Imported customer feedback
What customers reported
4.2 / 5
36 ratings
Source: Amazon. These reviews were imported from the source marketplace and are not reviews of purchases made on this website.
No structured vehicle fitment data is available. Compare the listing with the vehicle and existing part before ordering.
Exact identity, part numbers, model references, and available compatibility evidence
Buying guidance
Quick decision
An identity-first main bolts & studs listing organized around stable product references and available compatibility evidence.
Fit and size notes
- Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
- Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.
Specification notes
- Canonical product: MP-US-B00Z5MK2II
- Source product ID: B00Z5MK2II
- Category: Replacement Parts / Engines & Engine Parts / Engine Parts / Main Bolts & Studs
- Available images: 4
Before you buy
- Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
- Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.
MR__6 –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
Did the job! Torqued at 80′ and held great
T3 Painting –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
For the cost and same psi strength as others I’d recommend
Bernard powell –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
very good quality for the price work as it needed to
lantz a lott –
Imported from Amazon. This is not a review of a purchase made on this website.
External marketplace context: Verified Purchase
No matter what they need and ruined my oil and almost ruined my whole engine