16770-84-A Evo cylinder head & base gasket kit
Fits: 84-99 Big Twin (Excl. Twin Cam); 88…
incl. VAT
Chapter members save 15% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- James Gaskets
- Part Number
- 16770-84-A
- OEM Reference
- —
- Pack Quantity
- Sold as kit
- Category
- Cylinder Head And Base Gasket Sets
- VAT Rate
- 20%
About This Product
James Gaskets cylinder head and base gasket kit for 3-1/2 inch bore Evolution engines. It fits 1984 to 1999 Big Twins and 1988 to 2022 Sportster 1200 models. It does not fit the XR1200. The kit contains 0.045 inch head gaskets and 0.030 inch base gaskets. James includes both Type A and Type B base gaskets to cover the different perimeter shapes of early Big Twin and later Sportster barrels. The kit also includes the o-rings for oil returns. Sold as a kit.
Manufacturer part number: 16770-84-A.
Fitment
84-99 Big Twin (Excl. Twin Cam); 88-22 XL Sportster1200 (Excl. 08-12 XR1200)
Related Products
View all →
James Gaskets
Knuckle head & base gasket kit. Copper/RCM
James Gaskets
Cylinder head & base gasket kit. .045" Firering
James Gaskets
Cylinder head & base gasket kit. 4.00" bore
James Gaskets
Cylinder head & base gasket kit. 3-7/8" bore MLS
James Gaskets
Evo head & base gasket kit. MLS/RCM
James Gaskets
Evo cyl. head & base gasket kit. .062" Firering
James Gaskets
Shovel head & base gasket set. 3-5/8" big bore
James Gaskets
Cylinder head gasket set 3-7/8" bore. .045" Blue PTFE
More from James Gaskets
View all →
Gasket primary cover. .060" Foamet
Gasket inspection cover. .060" Foamet
Cylinder base gasket set FR/RR. .031" Foamet
O-ring shifter fork shaft. Round
Transmission gasket & seal kit
Throttle body/filter to air cleaner housing gasket
Gasket mainshaft seal retainer. Foamet
Gasket transmission end cover. Foamet
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.