4.10 or lower gears with higher compression. Aftermarket intake and exhaust. US$ 274.98 Min. order: 1 piece ★★★★★ 4.0 (238 reviews) Sold : Login>>
10 Degree Superlock Steel Retainer Set of 16 for 1.437"-1.500" OD Valve Spring US$ 85.95 Min. order: 1 piece ★★★★★ 4.5 (34 reviews) Sold : Login>>
Adjustable Double Roller Timing Set for 396-454 Big Block Chevrolet US$ 133.97 Min. order: 1 piece ★★★★★ 4.3 (62 reviews) Sold : Login>>