BIG BORE HEAD AND BASE GASKETS

Big bore head and base gaskets are designed for use with overbore piston kits. They are available in all of the most common big-bore combinations. Big bore base gaskets have oversize holes to accomodate big-bore kits that use oversize sleeves. If a big bore base gasket is not listed that kit usually takes a stock oem gasket.

BIG BORE HEAD AND BASE GASKETS
Displ. Bore Head Gasket
Spring Steel
Standard Thickness
PRICE Head Gasket**
.018"
PRICE Base Gasket PRICE
1295cc 81mm S8656 $76.52 S8656-18 $82.60 S8585 $26.76
1363cc 83MM S8657 $76.52 S8657-18 $82.60 S8585 $24.95
1397cc 84mm S8658 $76.52 S8658-18 $82.60 S8585 $24.95
1429cc 85mm S8659 $76.52 S8659-18 $82.60 S8585 $24.95

** EST Head Gaskets create Bolt-on cost-effective performance! All EST Head Gaskets are 2-layers with a .018" thickness. This is a quick cost effective way to tighten your squish area and gain horsepower. Pricing on EST 2-Layer Head Gaskets is very competitive with OEM 2-layer head gaskets.


THESE HEAD GASKETS HAVE LARGE BOLT-HOLES TO FACILITATE THE APE 1/2" HEAVY-DUTY CYLINDER STUDS - Gasket price - $82.60
Displ. Bore GASKET #
1295cc 81mm S8218
1397cc 84mm S8220

Click HERE to see APE 1/2" Heavy-Duty cylinder studs.

COMPLETE GASKET SET AND INDIVIDUAL GASKETS - HAYABUSA '99 - '08
Oil pan, cam chain tensioner, breather cover, starter idler gear, starter cover, gear shift cover, magneto cover, clutch C8587 $70.16
Clutch cover EC370 15.24
Oil pan gasket EC369 16.00
Magneto cover EC374 10.92
Starter idler gear cover EC371 6.38
Starter cover EC375 7.64
Cam chain tensioner EC377 3.22
Gear shift cover EC3720 6.38
Breather cover EC3730 4.47