Steel Thunder Custom Cycles - aftermarket motorcycle parts for Harley-Davidson and American custom bikes.
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Steel Thunder Custom Cycles

152 York Drive

Marshfield, MO 65706

417-468-2326

 TP Engineering Evolution-Style Motorcycle Engines

Engine Section
TP Engineering Evo style motorcycle engine. Polished or Show Polished.
TP Engineering evo style motorcycle engines for Harley-Davidson.
TP ENGINEERING PRO-SERIES® EVOLUTION-STYLE COMPLETE MOTORS

Features:
  • Pro-Series® motors are assembled with the highest quality American-made components.
  • Include TP Engineering’s chrome billet pro-vent rocker boxes, chrome billet cam cover, patented Smart Pump billet oil pump, forged flat-top pistons, CNC-ported heads with compression releases, forged steel roller rocker arms, stainless steel valves, American-made billet tappet blocks, single-fire ignition and Mikuni 45mm carburetors.
  • 1 14” motor has 9.5:1 compression ratio, 121” motor has a 10.4:1 compression ratio, 124” motor has a 10.5:1 compression ratio.
  • All assembled Pro-Series engines are pre-run to ensure consistent quality and performance right out of the box.
  • Available in polished and show-polished finish.
  • Polished motors have polished crankcases, tappet blocks, cylinder bases, cylinder and head fins and spark plug area.
  • Show polished motors have polished crankcases, tappet blocks, cylinders, heads, carburetor and intake manifold.
  • Made in the U.S.A.

POLISHED FINISH

Part# DS 0901-0050 114” motor, 4 1/8” bore x 4 1/4” stroke $7,626.90 including free shipping*

Part# DS0901-0056 121” motor, 4 1/8” bore x 4 1/2” stroke $7,855.90 including free shipping*

Part# DS0901-0057 124” motor, 4 1/8” bore x 4 5/8” stroke $7,917.90 including free shipping*

SHOW POLISHED

Part# DS0901-0051 114” motor, 4 1/8” bore x 4 1/4” stroke $8,685.90 including free shipping*

Part# DS0901-0060 121” motor, 4 1/8” bore x 4 1/2” stroke $8,914.90 including free shipping*

Part# DS0901-0061 124” motor, 4 1/8” bore x 4 5/8” stroke $8,976.90 including free shipping*

PLEASE CALL TO ORDER.  THIS IS A SPECIAL ORDER, CASH ONLY ITEM.  Our toll-free number is 1-866-889-7828, 9-5 CST, M-F.

This item appears on page 325 of the Drag Specialties Fatbook.  We carry everything in the Fatbook, as well as all the products in the catalogs on this page.

*FREE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship only within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. We do not ship to Puerto Rico.

Prefer to call in your order to Steel Thunder? Call toll-free: 1-866-889-7828. 9-5 CST M-F.

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Please note that all prices are subject to change.