Worldwide Shipping We offer shipping to most countries. Simply select your country once you have added items to your basket and you'll be shown an instant price for shipping without having to advance in to the check out process.
200,000+ Parts & Accessories Our catalogue has grown extensively over the years and we now source a huge range of parts and accessories from a number of distributors from round the world.
Order Online Or By Phone We're more than happy to have customers order which ever way they prefer. If you'd like to discuss anything over the phone prior to ordering we'd be delighted to help you.
Simple Exchange Or Refund Policy
We know when customers receive their orders there is always the possibility of needing to exchange or return items for a refund. Rest assured if you need to, we make it simple. See T&C's for more details.
Price Match Promise We offer a price match promise on all items we sell. Use the "Seen it cheaper?" option found on the product pages to request a price match.
Seen this item cheaper on another website? Let us try and match it!
We do our upmost to keep our prices competitive but due to the number of items we sell, you may occasionally find a better price advertised elsewhere. If you have seen a cheaper price on another website let us know by filling in this form. If we’re able to match the price, we’ll look to respond via email with a unique discount code within 1 hour (during working hours) so you're not waiting too long.
Building your M8 for big power? We've got the parts you need to bulletproof the top end of your valvetrain in one convenient kit!
S&S performance parts are direct replacement for OEM pieces, but are stronger and more durable, giving your M8 the reliability it needs as you build big HP and Torque numbers.
Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit that is the perfect topper for your high performance M8 build
Rocker Arm Shafts:
Replace broken or worn OEM pieces with stronger, more durable S&S performance parts
Direct replacement for stock parts
Hardened and surface ground for ultimate precision and durability
Rocker Arm Stud Kit:
Extend the life of your cylinder heads
Prevent damage to Rocker Arm Towers
Install studs and safely re-torque nuts
Black Oxide Finish
12 pt Nuts
Head Bolt Kit
Heat Treated 8640 Steel
200,000 psi Ultimate Tensile Strength
14% increases in strength over stock
Stronger material than stock Head bolts
Durable Black Oxide Coating
9/16" 12 point head with integral washer
Formed threads
Cold Formed Head
Reusable
Forged Roller Rocker Arms:
Forged from 8620 steel for greater strength
Designed using Finite Element Analysis (FEA)
Rollers eliminate thrusting on valves for decreased wear on the valve train
Rocker geometry is better suited to high lift cams
Bushings are 50% longer than stock, increasing time between rebuilds
Larger surface area on the thrust surfaces reduces wear on the heads
Oil is sprayed directly on the valve springs, reducing potential for breaking a valve due to over-heating (stock rockers tend to oil the rocker boxes, not the valves)
Compatible with stock or S&S CNC heads
1.640 Ratio
Capable of .650" max Valve Lift
Serviceable and rebuildable for generations of durabilty
All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.
Estimated shipping date between 3 Dec and 6 Dec.
