Holley Main Jets (2) - 70 Replacement Timing Chain 7L (tt)/V6-3

7L (tt)/V6-3

1966-1966 GMC P1000

460" outer diameter valve springs

Lowers rear of truck 5

Cinch-bolt clamp for positive pump retention

Holley Main Jets (2) - 70 Replacement Timing Chain 7L (tt)/V6-3Set of two carburetor main jets. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and