Spool 4AGE / 4AGZE Stroker Kit
The Spool Toyota 4AGE / 4AGZE Stroker Kit Includes:
- SPOOL Billet 4340 81mm Stroker Crankshaft
- SPOOL H Beam Forged Conrods
- CP Custom Pistons with rings pins and locks
Toyota 4AGE 81 mm Billet 4340 Stroker Crankshaft - Rated at 1000HP plus / 10,000rpm
Full billet 4340 Nitrided and Balanced Crankshaft
Note: The 4AGE engine in its factory form has a 81mm bore and 77mm stroke, giving a displacement of 1587cc
Using the 81mm stroker crank, std length conrods and custom pistons, the displacement is increased as follows:
- 81.5mm bore and the 81 mm stroker crank = 1690cc / 103cc increase
- 82 mm bore and the 81 mm stroker crank = 1711cc / 124cc increase
With the increased cubic capacity from the 108mm stroker crank, big increases in torque and low to mid range power are achievable. Boost will come on earlier in the rev range and peak power will increase.
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