New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine - Engine Hardware

97 products
Powersport Superstore is your go-to source for Engine - Engine Hardware and related parts. Shop our unbeatable selection of Engine Hardware with top-tier service, fast shipping, and great prices.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
Drag Specialties 2401-1030 Transmission Side Cover Bolt Kit - Knurled
$44.10
$44.10
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2017-2022 Harley Davidson FLHR Road King 2017-2022 Harley Davidson FLHRXS Road King Special 2019-2022 Harley Davidson FLHT Electr...
Drag Specialties 2401-1040 Outer Primary Bolt Kit - Knurled
$82.90
$82.90
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2017-2022 Harley Davidson FLHR Road King 2017-2022 Harley Davidson FLHRXS Road King Special 2019-2022 Harley Davidson FLHT Electr...
Drag Specialties 2401-1026 Cam Cover Bolt Kit - Smooth
$48.52
$48.52
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2018-2020 Harley Davidson FLDE Deluxe 107 2018-2019 Harley Davidson FLFB Fat Boy 107 2018-2022 Harley Davidson FLFBS Fat Boy 114 ...
Drag Specialties 2401-1022 Rocker Cover Bolt Kit - Smooth
$78.70
$78.70
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2018-2020 Harley Davidson FLDE Deluxe 107 2018-2019 Harley Davidson FLFB Fat Boy 107 2018-2022 Harley Davidson FLFBS Fat Boy 114 ...
Colony 8819-4 Clutch and Brake Lever Pivot Screw Kit
$23.31
$23.31
Cad plated reproduction of pivot screws and nuts used on clutch and brake levers..Vehicle Fitment:1941-1950 Harley Davidson E 1941-1952 Harley Davidson EL 1941-1950 Harley Davidson F 1941-1964 Harl...
Colony 8735-24 Valve Cover Screws - Cadmium
$47.19
$47.19
Use with Steel D Rings. Exact duplicate of special screws used on all Harley Panhead valve covers.Vehicle Fitment:1948-1950 Harley Davidson E 1948-1952 Harley Davidson EL 1948-1950 Harley Davidson...
Colony 8732-24 Valve Cover Screws - Chrome
$49.81
$49.81
Use with Aluminum D Rings. Exact duplicate of special screws used on all Harley Panhead valve covers.Vehicle Fitment:1948-1950 Harley Davidson E 1948-1952 Harley Davidson EL 1948-1950 Harley David...
Colony 8132-34 Motor Case Stud Kit - Stock Style - Cad Plated
$59.81
$59.81
These complete motor case kits from Colony contain all the necessary hardware to bolt together the Harley motor cases. Each kit is packaged for the specific application. There are no universal fits...
Drag Specialties 2401-0968 Lifter Block Bolt Kit - Knurled
$34.02
$34.02
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2018-2020 Harley Davidson FLDE Deluxe 107 2018-2019 Harley Davidson FLFB Fat Boy 107 2018-2022 Harley Davidson FLFBS Fat Boy 114 ...
Drag Specialties 2401-0988 Transmission Top Cover Bolt Kit - Smooth
$33.14
$33.14
All bolt kits are chrome-plated. Made in the U.S.A..Vehicle Fitment:2018-2020 Harley Davidson FLDE Deluxe 107 2018-2019 Harley Davidson FLFB Fat Boy 107 2018-2022 Harley Davidson FLFBS Fat Boy 114 ...
Drag Specialties DS-190756 Socket-Head Cam, Primary, Inspection, and Derby Cover Set - Knurled - Chrome
$54.94
$54.94
Available in knurled or smooth polished head style. Provide a custom finish. Made in the USA.Vehicle Fitment:1965-1969 Harley Davidson FLFB Electra Glide 1965-1969 Harley Davidson FLHB Electra Glid...
Drag Specialties DS-190821 Socket-Head Primary Cover Bolt Set - Knurled - Chrome
$21.78
$21.78
Primary cover set only. Available in knurled or smooth polished head style. Provide a custom finish. Made in the USA.Vehicle Fitment:1936-1937 Harley Davidson E 1941-1950 Harley Davidson E 1936-19...
Colony 8807-17 Upper and Lower Motor Mount Kit - Cadmium
$40.06
$40.06
Complete stock motor mount hardware kit features heat treated and plated bolts, locknuts, and heavy duty washers..Vehicle Fitment:1970-1984 Harley Davidson FLH Electra Glide 1979-1981 Harley Davids...
Colony 8139-34 Motor Case Kit - Acorn Style - Chrome
$70.56
$70.56
These complete motor case kits from Colony contain all the necessary hardware to bolt together the Harley motor cases. Each kit is packaged for the specific application. There are no universal fits...
Colony 8734-24 Valve Cover Screws - Chrome
$49.81
$49.81
Use with Steel D Rings. Exact duplicate of special screws used on all Harley Panhead valve covers.Vehicle Fitment:1948-1950 Harley Davidson E 1948-1952 Harley Davidson EL 1948-1950 Harley Davidson...
Wsm 014-805 Stud Nut for Carb Models - 10mm
$9.12
$9.12
Stud Nut for Carb Models.Vehicle Fitment:1998-1999 Sea-Doo GSX Limited 2000-2002 Sea-Doo GTX 2002 Sea-Doo GTX 4-TEC 2000-2001 Sea-Doo LRV 2000-2002 Sea-Doo RX 2001 Sea-Doo RX X 2000-2002 Sea-Doo XP...
13% Off
Colony 8303 CAD Complete Stock Hardware Kit - Cadmium
$213.69
$213.69
$246.95
Each kit contains all the stock motor nuts, bolts, washers and studs for your motor in choice of chrome or cad plating. The kit includes primary cover screws, lifter base screws, circuit breaker sc...
Colony 8138-34 Motor Case Stud Kit - Stock Style - Cad Plated
$59.81
$59.81
These complete motor case kits from Colony contain all the necessary hardware to bolt together the Harley motor cases. Each kit is packaged for the specific application. There are no universal fits...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle