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(Currently Out of Stock) BSP New and Improved Crankshaft. (2.130-2.133 GUARANTEED)

$49.99 

BSP New and Improved Crankshaft. Balanced, Hardened, and heat treated. (2.130-2.133 GUARANTEED) Now with less flex. Best and strongest on the market!

(NEW) JRPW Attack Series AKRA or NKA Machined Head.

Price varies based on options. 

JRPW Attack Series AKRA or NKA Machined Head.

(TEMP OUT OF STOCK) (BLACK) Original Box Stock Project 6.5HP OHV (196cc) Engine

$145.99 

Original Box Stock Project 6.5HP OHV (196cc) Engine (Assembled) Now with the new BSP-4 Cam Installed NEW (Race Ready Ruixing Carburetor, Tuned and Jetted Main .038", Low Speed .022")

(Temp out of stock) BSP Die Cast Aluminum Flywheel

$39.99 

OEM Die Cast Aluminum Flywheel for Box Stock Project engines. It's BALCO certified and spin tested to 10,000 RPM's. Weight is 3.18 pounds. Fits 196cc and 212cc clone motors!

(TEMP OUT OF STOCK) BUILT IN AMERICA WITH PRIDE BY THE BOX STOCK PROJECT INC.

Price varies based on options. 

BUILT IN AMERICA WITH PRIDE BY THE BOX STOCK PROJECT INC.

(TEMP OUT OF STOCK) Original Box Stock Project (Black Out) Engine Kit with ARC Flywheel

$330.99 

Original Box Stock Project (Black Out) Engine Kit with ARC Flywheel NEW BSP-4 Race Cam

(TEMP OUT OF STOCK) Original Box Stock Project 196 Sealed Crate Engine Kit

$299.99 

Original Box Stock Project 196 Sealed Crate Engine Kit.

(TEMP OUT OF STOCK) Original Box Stock Project Engine & ARC Flywheel (OPTIONS UPGRADE)

$269.99 

Original Box Stock Project Engine & ARC Flywheel (OPTIONS UPGRADE)

(TEMP OUT OF STOCK) Original Box Stock Project Engine Kit with ARC Flywheel

$330.99 

Original BSP Engine Kit: BSP-4 Race Cam

(TEMP OUT OF STOCK) Original Yellow Box Stock Project (196cc) Engine

$145.99 

Original Yellow Box Stock Project 6.5HP OHV (196cc) Engine (Assembled) Now with the new BSP-4 Cam Installed NEW (Race Ready Ruixing Carburetor, Tuned and Jetted Main .038", Low Speed .022")

(TEMP OUT) Advantage Pro (.930)

$74.99 

Southern Express Advantage Pro .930 thick flange produces more top end torque. (Legal under all sanctioning bodies) Fits 196cc and 212cc clone motors!

(TEMP OUT) Advantage Pro 3 (.885) Ceramic Coated Header

$65.99 

Advantage Pro 3 (.885) Ceramic Coated Header by Southern Express. (Legal under all sanctioning bodies) Fits 196cc and 212cc clone motors!