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Wiseco, piston ring set. 4.250" big bore

#701087

Stock:Yes

Replacement for 3-3/4" bore Twin Cam models that are equipped with the 3-7/8" (3.875") Wiseco pistons used in 95" (1550cc / 4.00" stroke) and 103" (1690cc / 4-3/8" stroke)) engine with Wiseco pistons.

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Wiseco, piston ring set 3.875" bore

#701345

Stock:No

Forged high compression Wiseco piston kit. 9.5:1 compression ration (stock is around 8:1). Includes wrist pins, circlips and Hastings rings.

Note: These Wiseco pistons will fit stock style Hastings rings with 1.2mm (0.047") top & middle ringlands and a 4.75mm oil ring.

Wiseco, 1340cc Shovel piston kit. +.010"

#913008

Stock:Yes

Forged low compression Wiseco piston kit. 7:1 compression ration (stock is around 8:1) for improved reliability. Includes wrist pins, circlips and Hastings rings.

Note: These Wiseco pistons will fit stock style Hastings rings with 1.2mm (0.047") top & middle ringlands and a 4.75mm oil ring.

Wiseco, 1340cc Shovel low compression piston kit. +.040"

#912604

Stock:Yes

Will fit Stock and 101HP Thunderstorm heads.

Wiseco, gasket kit

#912702

Stock:Yes

Wiseco, 1340cc Shovel piston kit. +.040"

#913011

Stock:Yes

Wiseco, 1340cc Shovel low compression piston kit. +.010"

#912601

Stock:Yes

High 10:1 compression ratio (standard is 9:1) for stock XL 1000 Sportster models. Will not fit XR style cylinder heads. Incl. forged pistons, wristpins, Hastings rings and circlips.

Wiseco, 72-85 XL high compression piston kit. +.030"

#912687

Stock:Yes

High 10.5:1 compression ratio with forged domed pistons. Includes Hastings rings, wrist pins and circlips.

Wiseco, 04-up XL1200/Buell 10.5:1 piston kit. +.020"

#912673

Stock:Yes

High 10.5:1 compression ratio ratio with forged flat top pistons. No cylinder head modifications required. Includes Hastings rings, circlips and wrist pins.

Wiseco, XL1200 high compression piston kit. +.030"

#912625

Stock:Yes

10:1 compression ratio. Will fit with stock and 101HP Thunderstorm heads. Incl. forged pistons, Hastings rings, wristpins and circlips.

Note: See 912702 for the required gasket kit.

Wiseco, 96-02 Buell S series piston kit. +.020"

#912701

Stock:Yes

Wiseco, 72-85 XL high compression piston kit. STD

#912684

Stock:Yes

Stock replacement forged piston kit. Stock 8.5:1 compression ratio. Complete with Hastings rings, circlips and wrist pins.

Note: Will also fit Evo B.T. models equipped with Screamin' Eagle cylinders heads, which will give a higher 9.5:1 compression ratio.

Wiseco, 1340 Evo B.T. piston kit. +.040"

#912638

Stock:Yes

Wiseco, XL1200 high compression piston kit. +.010"

#912623

Stock:Yes

Forged aluminum. Domed 10:1 high compression piston kits include wrist pins, circlips and Hastings rings. Compatible with OEM heads.
Note: Pistons will fit stock style Hastings rings with 1.6mm (0.062") top & middle ringlands and 4.0mm oil rings.

Wiseco, 1340 Evo B.T. high compression piston kit. +.040"

#913016

Stock:Yes

Used with 577193 4.25" big bore cylinders and stock 107" (3.937") stroke.
Flywheel re-balancing is not required.
Includes pistons, piston rings, wristpins and wristpin keepers / retaining rings.

Note: See 577193 for required 4.25" big bore cylinder set.
Note: See 576556 for required Wiseco 4.25" bore gasket set.
Note: See 701087 for replacement piston ring set only

Wiseco, 107" to 124" big bore piston conversion kit

#576555

Stock:Yes

96-103" big bore conversion kit. 9:1 compression ratio. Converts the stock 96" Twin Cam to 103" with stock heads. Stock cylinders must be bored from 3-3/4" (3.750") to 3-7/8" (3.875") to accept the 103" big bore pistons. Comes with reversed dome forged pistons, Hasting rings, circlips and wrist pins.

Wiseco, 96" to 103" Twin Cam big bore piston kit. STD

#912678

Stock:Yes

96-103" big bore conversion kit. 10.5:1 compression ratio. Converts the stock 96" Twin Cam to 103" with stock heads. Stock cylinders must be bored from 3 3/4" (3.750") to 3-7/8" (3.875") to accept the 103" big bore pistons. Comes with reversed dome forged pistons, Hasting rings, circlips and wrist pins.

Wiseco, 96" to 103" Twin Cam big bore piston kit. STD

#912681

Stock:Yes

Wiseco, 96" to 103" Twin Cam big bore piston kit. +.010"

#912683

Stock:Yes

Wiseco, 1340cc Shovel low compression piston kit. +.030"

#912603

Stock:Yes

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Wiseco, piston ring set. 4.250" big bore

Wiseco, piston ring set 3.875" bore

Wiseco, 1340cc Shovel piston kit. +.010"

Wiseco, 1340cc Shovel low compression piston kit. +.040"

Wiseco, gasket kit

Wiseco, 1340cc Shovel piston kit. +.040"

Wiseco, 1340cc Shovel low compression piston kit. +.010"

Wiseco, 72-85 XL high compression piston kit. +.030"

Wiseco, 04-up XL1200/Buell 10.5:1 piston kit. +.020"

Wiseco, XL1200 high compression piston kit. +.030"

Wiseco, 96-02 Buell S series piston kit. +.020"

Wiseco, 72-85 XL high compression piston kit. STD

Wiseco, 1340 Evo B.T. piston kit. +.040"

Wiseco, XL1200 high compression piston kit. +.010"

Wiseco, 1340 Evo B.T. high compression piston kit. +.040"

Wiseco, 107" to 124" big bore piston conversion kit

Wiseco, 96" to 103" Twin Cam big bore piston kit. STD

Wiseco, 96" to 103" Twin Cam big bore piston kit. STD

Wiseco, 96" to 103" Twin Cam big bore piston kit. +.010"

Wiseco, 1340cc Shovel low compression piston kit. +.030"