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Mazworx SR20 Head stud Kit
Price: $189.99
Availability: In Stock
Mazworx Item #: 11001 -

Upgrading your stock headbolts is a necessity when building a upgraded motor. Here are the Mazworx SR20 headstud kit. These are the correct length that will completely bottom out and provide extra clamping force needed. ARP2000 is capable of achieving clamp loads in the 215,000-220,000 psi range. ARP2000 is used widely in short track and drag racing as an up-grade from 8740 chrome moly in both steel and aluminum rods. Stress corrosion and hydrogen embrittlement are typically not a problem,...

Mazworx SR20 Engine Bolt Kit SR20, SR20DET, SR20VE, SR20VVL, 20V, P11, P12, B13, B14, Pulsar, GTiR, FWD, NeoVVL, Sunny, SR20, SR20DET, S13, S14, S15, RWD, 240SX, 200SX, 180SX, Silvia, Kouki, Zenki, 2JZ, 4B11T, B18C, EJ20, EJ25, H22, K20, K24, RB25, RB26, SR20, VQ35DE, Supra,  WRX, Impreza, EVO, Civic
Price: $89.00
Availability: In Stock
Mazworx

Complete bolt kit to replace your old hardware while rebuilding your engine. Comes with standard 10.9 hardware. Upgrade to ARP grade "300" polished stainless 12 point head bolts.

Mazworx SR20 Main Stud Kit SR20DET, SR20VE, Pulsar, GTiR, S13, S14, S15, B13, B14, arp
Price: $189.99
Availability: In Stock
Mazworx Item #: 11002 -

Mazworx Main Stud Kit is a new and improved design to the existing main stud kits on the market. Longer in length features more engagement. Stronger ARP 2000 Material that is capable of achieving clamp loads in the 215,000-220,000 psi range. Also, there is no need for machining the upper oil pan for clearance anymore! Made from ARP2000 material -12 point - 220ksi tensile strength - Straight shank/bullet ends from complete bottom out ...

Seadoo Rotax 1/2" Head Stud Kit
Price: $180.00
Availability: Built to Order 1-2
Mazworx Item #: R12HSK -

More boost means you need more clamping force on the head gasket. This upgrades the current 11mm studs to 1/2" (12.7mm). Allows more torque on the stud without excessive stretching. Requires machining to block and head (see machining section).